2990-1839B – CV Double Joints Heads – 29×52 ISR 1510 SER’ – Blank Flange for Toyota 1.810M Pilot DKTHB | 1.142 x 2.047
$197.20
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Description
2990-1839B 1510 series CV double joint head, blank flange, 1.808″ pilot dia, 2.440″ butt dia, 5.750″ end-to-weld, fits 2.560″x0.067″ tube. Toyota 1510 series application. Machine blank flange to required bolt circle before installation.
Full Description
2990-1839B CV Double Joint Head 1510 Series Blank Flange Toyota Application
The 2990-1839B is a 1510 series CV double joint head configured with a blank flange for Toyota applications. The blank flange provides a 1.808" pilot diameter with no pre-drilled bolt holes, allowing the installer to machine the bolt circle to match the specific Toyota companion flange bolt pattern. The tube weld end has a 2.560" x 0.067" tube diameter and wall specification, with a butt diameter of 2.440" and an end-to-weld length of 5.750". This is a Toyota 1510 series application per the product notes.
Specifications
- Part Number: 2990-1839B
- Series: 1510
- Style: CV Double Joint Head
- Flange: Blank (No pre-drilled bolt circle)
- Pilot Diameter: 1.808"
- Bolt Circle Diameter: Blank (customer-machined)
- Bolt Hole Diameter: N/A
- Butt Diameter: 2.440"
- End to Weld: 5.750"
- Tube Diameter x Wall: 2.560" x 0.067"
- Notes: Toyota 1510 Series
When fitting the 2990-1839B, the blank flange must be machined to the bolt circle diameter and hole count required by the Toyota companion flange before installation. Verify the 1.808" pilot diameter clears the companion flange pilot bore without binding. The tube weld end requires a 2.560" OD tube with 0.067" wall thickness — confirm tube OD and wall spec before welding, as under-spec wall thickness in this weld area creates a fatigue point.
The 5.750" end-to-weld length on the 2990-1839B determines how deep the CV head assembly seats into the driveshaft tube assembly. The 2990-1839B is a 1510 series application — confirm the mating U-joint and driveshaft are also 1510 series compatible. For Toyota applications requiring a drilled bolt pattern, verify the companion flange bolt circle diameter and hole count from the vehicle before machining the blank flange of the 2990-1839B.
Additional information
| Bolt circle dia | Blank |
|---|---|
| Bolt hole dia | N/A |
| Butt dia | 2.440 |
| End to weld | 5.75 |
| Notes | Toyota 1510 SERIES |
| Partn number | 2990-1839B |
| Pilot dia | 1.808 |
| Style series | 1510 |
| Tube dia wall | 2.560 x 0.067 |
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Image | Part # | Part Details | Price | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Cv Double Joints Heads (24) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Partn number 027SG80002 Pilot dia 3.819 Bolt circle dia 3.386 Bolt hole dia 330 Notes Fits 98-04 Mercedes ML320/ML350 front shaft at diff and rear shaft at transfer case Style series CVJ Tube dia wall 2.500X0.083 Butt dia 2.344 End to weld 4.375 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Bolt hole dia 330 Notes Fits 01-05 Ford Escape/Mazda Tribute rear shaft at transaxle Partn number 027SG80004 Pilot dia 3.937 Style series CVJ Tube dia wall 2.500X0.065 Butt dia 2.375 End to weld 6.125 COMPRESSED | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.583 Bolt hole dia 330 Butt dia 1.571 End to weld 4.75 Notes Fits 97-98 Ford Ranger/Explorer at transfer case Partn number 032SG80002 Pilot dia 4.094 Style series CVJ Tube dia wall 1.750X0.095 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia N/A Bolt hole dia N/A Butt dia 2.344 End to weld N/A Notes 25 Spline, AUDI Partn number 2552-8780 Pilot dia N/A Style series CVJ Tube dia wall 2.500X0.083 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Bolt hole dia 330 Butt dia 2.375 End to weld 6.125 COMPRESSED Notes Fits 01-05 Ford Escape/Mazda Tribute rear shaft at transaxle Partn number 2690-100 Pilot dia 3.937 Style series CVJ Tube dia wall 2.500X0.065 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia N/A Bolt hole dia N/A Butt dia 2.344 End to weld 3.250 Notes 34 Spline, M39X1.5 THREADED, BMW Partn number 2752-8734 Pilot dia 1.614 Style series CVJ Tube dia wall 2.500X0.083 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.386 Bolt hole dia 330 Butt dia 2.344 End to weld 4.375 Notes Fits 98-04 Mercedes ML320/ML350 front shaft at diff and rear shaft at transfer case Partn number 3190-100 Pilot dia 3.819 Style series CVJ Tube dia wall 2.500X0.083 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.583 Bolt hole dia 330 Butt dia 1.571 End to weld 4.75 Notes Fits 97-98 Ford Ranger/Explorer at transfer case Partn number 3190-107 Pilot dia 4.094 Style series CVJ Tube dia wall 1.750X0.095 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.575 REC Bolt hole dia 331 Butt dia 2.435 End to weld 5.75 Notes Toyota/1310CV conversion, includes increase bushing for OEM tubing Partn number 3190-181 Pilot dia 1.808 Style series 1310 CV FLANGE Tube dia wall 2.560X0.067 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bolt circle dia 3.665 REC Bolt hole dia 388 Butt dia 2.435 End to weld 5.75 Notes Toyota/1310CV conversion, includes increase bushing for OEM tubing Partn number 3190-182 Pilot dia 1.808 Style series 1310 CV FLANGE Tube dia wall 2.560X0.067 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
