3302-256 – Flange Yokes – 1330 Series – Bolt Circle Dia 4.250″ – Pilot Dia 2.559, F
$32.78
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Description
3302-256 Flange Yoke — 1330 series, 4.250 bolt circle | 2.559 pilot | 4×0.500 bolt holes | 1.644″ CJ-to-flat. Premium bolt-on replacement. Verify bolt circle and pilot before ordering.
Full Description
When a 1330 series flange yoke fails, the symptoms show up fast: driveline clunk under acceleration, vibration that doesn't go away with speed changes, or visible play at the diff flange. The 3302-256 flange yoke is the spec-correct replacement — correct bolt circle, correct pilot, correct series. Dimension confirmation before ordering is still the right call.
3302-256 Flange Yoke — 1330 Series Specifications & Fitment
The 1330 series covers light-to-medium duty trucks and GM half-ton platforms. The 3302-256 flange yoke specs: 4.250 bolt circle | 2.559 pilot | 4x0.500 bolt holes | 1.644" CJ-to-flat. Pilot diameter is what centers the yoke on the companion flange — that dimension must match exactly or the driveshaft will run off-center at speed. Bolt circle determines your hole pattern match.
Before ordering the 3302-256 flange yoke, measure your diff flange bolt circle and pilot diameter directly. Don't rely on series designation alone — after an axle swap, the flange dimensions may differ from the original factory spec. Brand: UDS. Verify, then order.
Key Features
- Series: 1330 — built for light-to-medium duty trucks and GM half-ton platforms
- Bolt circle: 4.250 — must match axle/diff flange hole pattern exactly
- Pilot dia: 2.559 — centers yoke on companion flange, no play allowed
- 4 bolt holes at 0.500 — verify hole count and size
- CJ-to-flat: 1.644" — affects driveshaft working angle clearance
- Brand: UDS — direct-fit replacement
Specifications
- SKU: 3302-256
- Brand: UDS
- Series: 1330
- Bolt Circle: 4.250
- Pilot Dia: 2.559
- Bolt Holes: 4
- Bolt Hole Dia: 0.500
- CJ to Flat: 1.644"
Additional information
| Bolt circle dia | 4.250 |
|---|---|
| Bolt hole dia | 0.500 |
| Cj to flat | 1.644 |
| Partn number | 3302-256 |
| Pilot dia | 2.559, F |
| Series | 1330 |
| Bolt Holes | 4 |
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| Flange Yokes (241) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.125 Bolt hole dia 0.410 Cj to flat 2.000 Partn number 3102-312S Pilot dia 2.375 ⋅ M Series 1310 Bolt Holes 4 Notes SQUARE PATTERN 2.200 X 2.200 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.125 Bolt hole dia 0.375 Cj to flat 1.375 Partn number 2-2-329 ⋅ 3102-329U ⋅ N2-2-329 Pilot dia 2.375 ⋅ M Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.346 Bolt hole dia 0.406 Cj to flat 1.766 Partn number 3102-33 Pilot dia 2.559 ⋅ M Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.285 Bolt hole dia 0.465 Cj to flat 1.500 Partn number 3102-35 Pilot dia 1.700 ⋅ M Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 2.875 Bolt hole dia 0.380 Cj to flat 1.375 Partn number 2-2-349 ⋅ 3102-36U ⋅ N2-2-349 Pilot dia 3.625 ⋅ OD Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.543 Bolt hole dia 0.410 Cj to flat 1.685 Partn number 3102-361 Pilot dia 2.362 ⋅ M Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 4.133 Bolt hole dia 0.410 Cj to flat 1.685 Partn number 3102-362 Pilot dia 2.362 ⋅ M Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.750 Bolt hole dia 0.481 Cj to flat 1.750 Partn number 3102-37 Pilot dia 2.559 ⋅ M Series 1310 Bolt Holes 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 2.750 Bolt hole dia 0.315 Cj to flat 1.625 Partn number 3102-39 Pilot dia 2.245 ⋅ M Series 1310 Bolt Holes 4 Brand UDS Notes Mostly used on Nissan | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Bolt hole dia 0.415 Cj to flat 2.592 Partn number 3102-391 Pilot dia 3.937 ⋅ OD Series 1310 Bolt Holes 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
