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| All Small Parts (205) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | DLW-1 | DLW-1 Steel Balance Weight — 4.0gDLW-1 is the lightest increment in the… Show more (+) DLW-1 Steel Balance Weight — 4.0gDLW-1 is the lightest increment in the DLW steel balance weight series at 4.0 grams (0.14 oz), packaged 300 per box. The smallest weight denomination is used for the last step of fine-tuning — when the balance reading is close but not within spec, adding a single 4g weight at the right angle can bring the shaft within tolerance without overshooting.SpecValueWeight4.0g / 0.14ozMaterialSteelShapeRound, center holeBox Qty300DLW-1 at 4g is a useful base unit: 4g + 4g = 8g (same as DLW-3); 4g + 8g = 12g; 4g + 10g = 14g. A well-stocked balance station carries all denominations from DLW-1 through DLW-6 plus the aluminum BW series for aluminum tube shafts where steel weight is not desired at the balance correction location.See all balance weights and stub and midship shaft driveshaft fabrication components. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | DLW-2 | DLW-2 is a 5.0 gram (0.17 oz) round steel balance weight with… Show more (+) DLW-2 is a 5.0 gram (0.17 oz) round steel balance weight with center hole, boxed in 250-piece quantities. The 5g size is one of the most commonly used balance weight increments because it provides a useful correction step that combines well with other denominations to reach target masses. For example: 5g + 5g = 10g; 5g + 8g = 13g; 5g + 10g = 15g; 5g + 20g = 25g.Weight: 5.0g / 0.17ozMaterial: SteelShape: Round, center holeBox Qty: 250The larger box quantity (250) reflects the higher usage rate of small increment weights — more of them are needed per balancing job when building up to a precise correction mass. Shops that balance driveshafts frequently will deplete DLW-1 and DLW-2 inventory faster than larger weights.See all balance weight denominations and stub and midship shaft for driveshaft fabrication components. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | DLW-3 | DLW-3 Steel Balance Weight — 8.0gDLW-3 is an 8.0 gram (0.28 oz)… Show more (+) DLW-3 Steel Balance Weight — 8.0gDLW-3 is an 8.0 gram (0.28 oz) round steel balance correction weight with center hole, packaged 200 per box. The 8g increment sits between DLW-2 (5g) and DLW-4 (10g), enabling fine mass adjustments when a 5g correction is not enough but a 10g correction would overshoot the target.SpecValueWeight8.0g / 0.28ozMaterialSteelShapeRound, center holeBox Qty200In driveshaft balance operations, the required correction mass is rarely a round number. Combinations like DLW-3 (8g) plus DLW-1 (4g) equal 12g, while DLW-3 plus DLW-2 (5g) equal 13g — providing fine resolution. Stocking a range of weight denominations allows the balancer to reach targets within the balance machine tolerance spec (typically 5 g-mm or less).See all balance weight options and stub and midship shaft components for driveshaft fabrication. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | DLW-4 | DLW-4 is a 10.0 gram (0.35 oz) steel round balance weight with… Show more (+) DLW-4 is a 10.0 gram (0.35 oz) steel round balance weight with center hole, boxed 150 per box. It occupies the small-to-mid range in the steel balance weight series and is used when moderate correction mass is required on a single angular position. When combined with DLW-1 (4g) or DLW-2 (5g), an exact 14g or 15g correction target can be achieved without overshooting.Weight: 10.0g / 0.35ozMaterial: SteelShape: Round with center holeBox Qty: 150Driveshaft balancing requires adding correction weight at the specific angular position of the residual imbalance — not just at any location. The balance machine outputs an angle (degrees from a reference mark) and a required correction mass. The tech attaches the appropriate total gram value at that angle, using one or more weights as needed.Browse all balance weight options (DLW-1 through DLW-6 and BW aluminum series) for driveshaft fabrication. See stub and midship shaft for related components. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | DLW-5 | DLW-5 Steel Balance Weight — 20.0gDLW-5 is a 20.0 gram steel balance… Show more (+) DLW-5 Steel Balance Weight — 20.0gDLW-5 is a 20.0 gram steel balance weight with center hole, boxed in quantities of 250. At 20g, it is the mid-range weight in the DLW steel series (which goes from 4g DLW-1 to 30g DLW-6). Mid-range weights like DLW-5 are commonly used when moderate imbalance correction is required, and they can be stacked or combined with smaller weights (DLW-1 through DLW-4) to reach precise correction mass targets.ModelWeightQty/BoxDLW-14.0g (0.14oz)300DLW-25.0g (0.17oz)250DLW-38.0g (0.28oz)200DLW-410.0g (0.35oz)150DLW-520.0g (0.70oz)250DLW-630.0g (1.05oz)150See stub and midship shaft components for other driveshaft fabrication supplies. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | DLW-6 | DLW-6 is a round steel balance correction weight at 30.0 grams (1.05… Show more (+) DLW-6 is a round steel balance correction weight at 30.0 grams (1.05 oz) with a center hole, packaged 150 per box. Balance weights are attached to driveshaft tubes during dynamic balancing to correct residual imbalance after tube fabrication, weld distortion, and yoke installation. The center hole accommodates the weld bead or attachment pin used to affix the weight at the required angular position on the tube.Weight: 30.0g / 1.05ozMaterial: SteelShape: Round with center holeBox Qty: 150Imbalance in a driveshaft creates a centrifugal force that rotates at shaft speed and generates vibration in the vehicle. Heavier correction weights (30g) are used when the imbalance is larger — the required correction mass depends on the magnitude of imbalance measured during spin balancing. Having multiple weight denominations (DLW-1 through DLW-6) allows the balancer to combine smaller and larger weights to reach the exact required correction mass.See all stub and midship shaft components for driveshaft fabrication supplies. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 231209 | 231209 is a large needle-type grease zerk with .250-28 thread. The “large… Show more (+) 231209 is a large needle-type grease zerk with .250-28 thread. The “large needle” designation indicates that this fitting uses a larger-diameter internal check ball/needle assembly than a standard Alemite-style zerk, allowing higher grease flow volume per pump stroke. This fitting is described as commonly used on CV shafts (constant-velocity driveshafts) where grease distribution to a larger ball assembly benefits from higher flow.Thread: .250-28Hex: 0.312"Overall Length: 0.406"Style: Large needle typeCommon use: CV shaftsThe 0.406" overall length is shorter than the standard straight zerks (0.54"-0.78"), making this a low-profile fitting that minimizes projection above the yoke or shaft face. When a standard grease gun coupler does not seal well on a CV shaft grease port, changing to a large-needle fitting can improve grease delivery by reducing back-pressure at the check valve.See all CV joint kits for CV shaft components requiring lube fittings. Show less (-) | Hex: 312 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 232830 | 232830 — NPTF Grease Zerk Fitting232830 is a grease zerk fitting with… Show more (+) 232830 — NPTF Grease Zerk Fitting232830 is a grease zerk fitting with .125-27NPTF (National Pipe Taper Fuel / Dryseal) thread. NPTF differs from standard NPT in that it is designed to seal without additional sealant tape or compound — the thread-on-thread metal contact creates a pressure-tight seal. This fitting is used in applications where the grease port must seal positively under pressure, preventing grease from weeping at the thread interface.SpecValueThread.125-27NPTF (Dryseal)Hex0.500"Overall Length0.843"NPTF threads are compatible with NPTF ports only. Installing in a standard NPT port may work in low-pressure grease applications but does not provide the dryseal function. The 0.500" hex (1/2") is larger than the .312" and .375" hex on .250-28 machine-thread zerks — use the correct size hex wrench to avoid rounding the fitting body.Browse all universal joints for greaseable U-joints requiring lube fittings. Show less (-) | Hex: 0.5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 500168-2 | 500168-2 is a grease zerk fitting with .125-27NPT (1/8" NPT pipe thread)… Show more (+) 500168-2 is a grease zerk fitting with .125-27NPT (1/8" NPT pipe thread) rather than the .250-28 machine thread used on most driveshaft U-joints. NPT-thread grease ports are found in industrial equipment, some agricultural components, and aftermarket-machined parts where the port was tapped with a pipe-thread tap rather than a .250-28 machine thread tap. These two thread types are not interchangeable.Thread: .125-27NPT (1/8" NPT pipe thread)Hex: 0.438"Overall Length: 0.66"NPT threads are tapered — they tighten by wedging as the fitting is driven deeper, sealing on the thread flanks. Machine-thread zerks (.250-28) use straight threads. Attempting to install an NPT fitting in a machine-thread port will either not engage or will cross-thread the port. Always identify the thread type before ordering replacement zerks.See all universal joints for greaseable driveshaft U-joints and companion lube fittings. Show less (-) | Hex: 438 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 500174-1 | 500174-1 — Short Straight Grease Zerk (.250-28)500174-1 is a short-body straight grease… Show more (+) 500174-1 — Short Straight Grease Zerk (.250-28)500174-1 is a short-body straight grease zerk with .250-28 thread, 0.312" hex, and a reduced overall length of 0.54". The shorter body reduces the fitting projection above the yoke ear face, which lowers the risk of the fitting contacting adjacent components (driveline tunnel, crossmember, exhaust) during rotation.Spec500174-1 (short)500174-2 (std)Thread.250-28.250-28Hex0.312"0.312"OAL0.54"0.68"When the driveshaft operates in a tight tunnel or near exhaust components, a shorter zerk reduces the chance of the fitting being struck and broken off, which would leave the port open to contamination. Install with the appropriate torque using a 0.312" (5/16") hex wrench — overtorquing strips the yoke port thread.Browse all universal joints for greaseable U-joints using .250-28 lube fittings. Show less (-) | Hex: 312 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | 500174-2 | 500174-2 is a standard straight grease zerk fitting with .250-28 thread, hex… Show more (+) 500174-2 is a standard straight grease zerk fitting with .250-28 thread, hex 0.312", and an overall length of 0.68". This is the most common grease fitting type for domestic driveshaft U-joints: .250-28 thread (used on 1310, 1350, 1410, 1480 series and others) in the standard straight Alemite style.Thread: .250-28Hex: 0.312"Overall Length: 0.68"Style: Straight (standard Alemite)Compare with 500174-1 (same thread and hex, shorter at 0.54" OAL) — the longer 500174-2 may provide better grease gun coupler engagement in some yoke geometries. The short overall length (0.68") keeps the fitting close to the yoke body, which reduces the risk of the fitting being damaged by contact with other components during shaft rotation.See all universal joints for greaseable U-joints using .250-28 fittings. Show less (-) | Hex: 312 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 500175-2 | 500175-2 — 65-Degree Angled Grease Zerk Fitting500175-2 is a 65-degree angled grease… Show more (+) 500175-2 — 65-Degree Angled Grease Zerk Fitting500175-2 is a 65-degree angled grease (Alemite) fitting with .250-28 thread — the standard thread size for domestic driveshaft U-joint grease ports. The 65-degree angle on the fitting body allows a grease gun coupler to be applied at an angle when a straight zerk cannot be reached due to clearance restrictions at the U-joint yoke ear.SpecValueThread.250-28Hex0.375"Overall Length0.781"Style65-degree angleAngled zerks are used when the yoke design places the grease port in a location where a straight grease gun coupler cannot be applied — common on short-ear yokes where the yoke ear blocks direct access to a straight fitting. Select the degree of angle (45-degree, 65-degree, 90-degree) based on the access geometry at your specific yoke.Browse all universal joints for U-joints with .250-28 grease ports. Show less (-) | Hex: 375 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Z6MM | Z6MM is a 6mm metric grease zerk (Alemite-style) fitting used on driveshaft… Show more (+) Z6MM is a 6mm metric grease zerk (Alemite-style) fitting used on driveshaft U-joints and other components with 6mm grease port threads. The 6mm thread is a metric standard found on European and some Asian driveshaft U-joints that use metric-threaded grease ports rather than the common imperial .250-28 thread used on domestic U-joints.Why grease zerks matter: a clogged, stripped, or missing zerk prevents grease from reaching the U-joint needle bearings. Without periodic lubrication, the needles run dry, heat, and fail — often within a short service interval under heavy use. A missing or damaged zerk should be replaced before the next lube interval.Thread: 6mm metricStyle: Straight zerk (Alemite)Application: European metric U-joints, industrial components with 6mm grease portsDo not attempt to thread a .250-28 imperial zerk into a 6mm metric port or vice versa — the threads are incompatible and will strip the port. Confirm thread specification before installing replacement zerks.See all universal joints for greaseable U-joints requiring lube fittings. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 1-2018 | 1-2018 is a strap kit for the 7290 series U-joint, which uses… Show more (+) 1-2018 is a strap kit for the 7290 series U-joint, which uses a 1.125" bearing cup (cap) diameter. The 7290 series is a lighter-duty series used in some light truck, van, and industrial applications. Strap retention requires these kits be replaced every time the U-joint is serviced — straps should never be reused after removal.Series: 7290Cap Diameter: 1.125"Center to Center: 1.531"Thread Size: .250-28The .250-28 thread is a fine-thread specification. Fine-thread strap bolts provide more clamping force per torque applied than coarse threads, but require careful torquing to the specified value — overtorquing can strip the fine thread. Always use a calibrated torque wrench and follow the manufacturer spec when installing strap kits.Strap kits are not interchangeable between series: 1-2018 (7290 series, 1.125" cap) is dimensionally different from 1-2024 (1310/1330 series, 1.062" cap). Using the wrong kit will result in misaligned bolt holes or insufficient clamp load.See all universal joints for 7290 series U-joints. Show less (-) | Center to Center: 1.531 Fits Cap Dia: 1.125 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 1-2024 | 1-2024 Strap Kit — 1310 and 1330 SeriesThe 1-2024 is a strap… Show more (+) 1-2024 Strap Kit — 1310 and 1330 SeriesThe 1-2024 is a strap kit for retaining U-joint bearing cups in 1310 and 1330 series yokes that use strap retention. Strap kits use small bolted metal straps that bridge across the bearing cup and clamp it into the yoke ear. This is a different retention system from snap-ring U-joints, which use internal or external circlips — the two styles are not interchangeable.SpecValueSeries1310, 1330Cap Diameter1.062"Center to Center1.593"Thread Dia.312-24Why the center-to-center dimension matters: the strap bridges across the bearing cup recess in the yoke. If the CTC distance doesn’t match the yoke recess, the strap bolt holes will not align. Confirm the CTC on your yoke before ordering strap kits.Strap kits are single-use fasteners — replace straps any time a U-joint is removed. Reusing stretched or deformed straps reduces clamp load and can allow the cup to work loose under vibration.Browse all universal joints for 1310/1330 series U-joints to complete the assembly. Show less (-) | Center to Center: 1.593 Fits Cap Dia: 1.062 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 378485-25 | 378485-25 Keyway – Square – .250 x .250 – 4″ LengthThe 378485-25… Show more (+) 378485-25 Keyway – Square – .250 x .250 – 4″ LengthThe 378485-25 is a square keyway measuring .250″ x .250″ in cross-section with a 4″ length.SpecificationsPart Number: 378485-25Type: SquareSize: .250 x .250″Length: 4″When using the 378485-25, verify the shaft keyway groove and hub keyway groove both match the .250″ x .250″ square cross-section. The 4″ length provides material to cut to the required key length for the specific shaft and hub engagement depth.The 378485-25 is the longer 4″ variant compared to the 378484-25-1 which provides 2″ length in the same .250 x .250″ square profile. Select 378485-25 when a longer key or multiple shorter keys need to be cut from a single piece. Confirm cross-section dimensions on the shaft and hub keyways match .250″ x .250″ before ordering. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 1325-13S | 1325-13S CV Ball Kit Seal – Toyota Series – 1″ Stud Bore… Show more (+) 1325-13S CV Ball Kit Seal – Toyota Series – 1″ Stud Bore – 1.53″ Seal ODThe 1325-13S is the seal component from the 1325-13 CV ball kit, designed for Toyota series applications. The seal has a 1″ inside diameter (stud bore), a 1.53″ outside diameter, and a height listed as 175 in the product data. Ball diameter is listed as N/A — this is a seal-only item, not a full ball kit.SpecificationsPart Number: 1325-13SSeries: ToyotaStud Bore (Seal ID): 1″ (1.000″)Seal OD: 1.53″Seal Height: 175 (per product data)Ball Diameter: N/A (seal only)Notes: Seal from 1325-13 kit, ID = 1.000″When fitting the 1325-13S, confirm the Toyota CV shaft stud diameter is 1.000″ to match the seal ID, and verify the housing bore accepts the 1.53″ seal OD. This seal is a replacement component for the 1325-13 full kit — order the complete 1325-13 if all components are needed.The 1″ stud bore is larger than the 0.5″ bore used in the 1310/1330 series CV kits, confirming the 1325-13S is dimensioned for a different, heavier-duty Toyota shaft. Do not attempt to fit this seal onto a 0.5″ stud. Verify the Toyota shaft stud OD is 1.000″ before ordering the 1325-13S. Show less (-) | Ball Dia: N/A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 2-9301 | 2-9301 CV Ball Kit – 3R Series – 0.91″ Ball – 1.24″… Show more (+) 2-9301 CV Ball Kit – 3R Series – 0.91″ Ball – 1.24″ Seal ODThe 2-9301 is a CV ball kit for 3R series applications. Ball diameter is 0.91″, seal OD is 1.24″. Stud bore diameter is listed as 625 and seal height as 197 in the product data. The kit includes 3 races, 2 springs, 2 shims, 1 seal, and 1 ball.SpecificationsPart Number: 2-9301Series: 3RBall Diameter: 0.91″Stud Bore Diameter: 625 (per product data)Seal Height: 197 (per product data)Seal OD: 1.24″Kit Contents: 3 races, 2 springs, 2 shims, 1 seal, 1 ballWhen fitting the 2-9301, confirm the 3R CV race pocket accepts the 0.91″ ball diameter and the housing recess seats the 1.24″ seal OD. The kit provides all consumable components including races, springs, shims, seal, and ball.The 2-9301 and 2-9302 share the same 0.91″ ball diameter and 1.24″ seal OD for 3R series applications, but differ in stud bore (625 for 2-9301 vs 0.46″ for 2-9302). Measure the stud diameter on the 3R shaft to determine which kit is correct before ordering. Do not interchange these two kits based on ball diameter alone. Show less (-) | Ball Dia: 0.91 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 2-9302 | 2-9302 CV Ball Kit – 3R Series – 0.91″ Ball – 0.46″… Show more (+) 2-9302 CV Ball Kit – 3R Series – 0.91″ Ball – 0.46″ Stud BoreThe 2-9302 is a CV ball kit for 3R series applications. Ball diameter is 0.91″, stud bore diameter is 0.46″, seal height is 0.17″, and seal OD is 1.24″. The kit includes 3 races, 2 springs, 2 shims, 1 seal, and 1 ball.SpecificationsPart Number: 2-9302Series: 3RBall Diameter: 0.91″Stud Bore Diameter: 0.46″Seal Height: 0.17″Seal OD: 1.24″Kit Contents: 3 races, 2 springs, 2 shims, 1 seal, 1 ballWhen fitting the 2-9302, verify the stud measures 0.46″ and the 3R CV race pocket accepts the 0.91″ ball diameter. The kit provides all consumable components: 3 races, 2 springs, 2 shims, 1 seal, and 1 ball. Confirm all components are present and undamaged before assembly.The 2-9302 differs from the 3R25-20 in ball diameter (0.91″ vs the 908 listed for 3R25-20) and stud bore (0.46″ vs 0.5″). Both are listed as 3R series kits; the specific sub-variant of the 3R shaft determines which ball kit is correct. Measure the existing ball and stud diameter to confirm before ordering the 2-9302. Show less (-) | Ball Dia: 0.91 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 3125-501 | 3125-501 CV Ball Kit – 1.125″ Ball – 0.5″ Stud Bore –… Show more (+) 3125-501 CV Ball Kit – 1.125″ Ball – 0.5″ Stud Bore – 0.35″ Seal Height – 1.45″ Seal ODThe 3125-501 is a CV ball kit with a 1.125″ ball diameter, 0.5″ stud bore diameter, 0.35″ seal height, and 1.45″ seal OD. No series designation is listed for this kit.SpecificationsPart Number: 3125-501Ball Diameter: 1.125″Stud Bore Diameter: 0.5″Seal Height: 0.35″Seal OD: 1.45″When fitting the 3125-501, verify the stud is 0.5″ and the race pocket accepts a 1.125″ ball. The 0.35″ seal height and 1.45″ seal OD must seat within the housing recess. No grease or non-grease designation is listed — confirm the kit specification with us before ordering if maintenance access is a concern.The 3125-501 seal OD of 1.45″ matches the 7-1981 (greaseable, 1310/1330), but the seal height differs — 0.35″ versus 0.38″. These small differences in seal dimension can affect housing fit. Measure seal recess depth and diameter in the CV housing before selecting between 3125-501 and 7-1981. Show less (-) | Ball Dia: 1.125 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
