Free ground shipping on all driveshafts and orders over $100 within the continental USA! 
Custom & conversion driveshafts are on sale up to $75 off through December.
Action Machine will be closed to celebrate Christmas for a half day on Dec 24th and full day on Dec 25th.
We will also be closed on Wednesday January 1st for the New Years holiday. 

{"id":6420935082135,"title":"Spicer 3-3-6421X Trans Slip Yoke","handle":"3-3-6421x","description":"\u003ch2\u003eSpicer Drive Shaft Transmission Slip Yoke\u003c\/h2\u003e\n\u003cp\u003eCan be used on long tail-shaft housing transmissions but most commonly used as a transfer case yoke. \u003c\/p\u003e\n\u003c!-- ↓ TAB Section ↓ --\u003e\n\u003cul class=\"shopify-tabs\"\u003e\n\u003cli data-tab=\"tab-1\" class=\"current\"\u003eProduct Specs\u003c\/li\u003e\n\u003cli data-tab=\"tab-2\"\u003eDescription\u003c\/li\u003e\n\u003cli data-tab=\"tab-3\"\u003eDiagrams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"shopify-tab-content current\" id=\"tab-1\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission \u0026amp; Transfer Case Applications: \u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits the GM transmissions with 32 spline output shaft: 6L50, 6L80E, TH-400 long tail, 4L80E long tail and Transfer Case: NP241C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1410\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutside Snap Ring\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eU-Joint Cap Diameter (A):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.188 Inch\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eU-joint Width (B) \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.188 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlip Yoke Length (C)\u003cbr\u003e(Center Line to End of Spline)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.070 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Diameter (D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.885 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpline Diameter (E)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.378 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber Of Splines (F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 (31 with a blind spot - see note below*)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpline Counter Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Make\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cem\u003eVMRS: 024002038\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Driveshaft Slip Yoke Diagram Outside Snap Ring Style\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/ScreenShot2023-05-26at3.07.11PM_480x480.png?v=1685128181\"\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Output Shaft Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eIf you have a TH-400 or 4L80 confirm if you have an o-ring on the output spline of your transmission. If your transmission has an o-ring you will need a 5.5” short barrel counter bored slip yoke.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Transmission Slip yoke with and without counter bore\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/Transmission_Slip_yoke_counterbore_480x480.png?v=1613663588\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shopify-tab-content\" id=\"tab-2\"\u003e\n\u003ch2\u003eSPICER DRIVE SHAFT TRANSMISSION SLIP YOKE\u003c\/h2\u003e\n\u003cp\u003eGenuine Spicer\/Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shopify-tab-content\" id=\"tab-3\"\u003e\n\u003cp\u003eSome slip yokes have missing splines. To verify spline count, always count the splines on the transmission output shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"outside snap ring slip yoke\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/Screen_Shot_2020-01-31_at_8.22.40_AM_480x480.png?v=1580478334\"\u003e\u003cimg alt=\"Driveshaft Slip Yoke Diagram Spline Count\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/ScreenShot2023-05-26at12.47.42PM_480x480.png?v=1685119728\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ↑ TAB Section ↑ --\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis part is compatible with: \u003cbr\u003e\u003c\/strong\u003eSpicer \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/5-160x?variant=38130351621\" title=\"Spicer 5-160X U-Joint\"\u003e5-160X\u003c\/a\u003e U-Joint Greasable\u003cbr\u003eNeapco \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/2-0054g?variant=4874705109029\" title=\"Neapco 2-0054G U-Joint\"\u003e2-0054G \u003c\/a\u003eU-Joint Non-Greasable\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComparable Part Numbers:\u003c\/strong\u003e\u003cbr\u003eSpicer 3-3-01646X Slip Yoke Nickle Plated\u003cbr\u003eAAM \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/40021530?variant=40939128453\" title=\"AAM 40021530 Trans Slip Yoke\"\u003e40021530\u003c\/a\u003e Trans Slip Yoke\u003cbr\u003ePTI \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/4103-322?variant=39017471213719\" title=\"PTI 4103-322 Trans Slip Yoke\"\u003e4103-322\u003c\/a\u003e Slip Yoke Nickle Plated\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2021-02-04T10:41:39-05:00","created_at":"2021-02-04T10:41:40-05:00","vendor":"Spicer\/Dana","type":"Slip Yoke","tags":["12479385","22944358","241DLD","40021530","4103-328","4103328","6L80-E","6L80E","Application_Transmission Applications: Fits various 32 spline output shafts for GM transmissions including:","Barrel OD_1.89\"","Bearing Cap Diameter_1.188\"","Brand_Spicer","Length_8.07\"","Lock Up_4.188\"","NP241","NP241C","NP246","NP263","NP263HD","NP421C","Part_Transmission Slip Yoke","Part_Yoke","Series_1410","Slip Assemblies_Transfer Case Slip Yoke","Slip Assemblies_Transmission Slip Yoke","Spline Diameter_1.38\"","Spline_32","Transfer Case_241C","Transfer Case_NP241C","Transmission Make_GM","Transmission Model_4L80E Long Tail","Transmission Model_6L50","Transmission Model_6L80E","Transmission Model_TH-400 Long Tail","U-Joint Type_Outside Snap Ring","Vehicle_GM","Yoke_Transfer Case Slip Yoke","Yoke_Transmission Slip Yoke"],"price":19398,"price_min":19398,"price_max":19398,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":39025775280279,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"3-3-6421X","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"Spicer 3-3-6421X Trans Slip Yoke","public_title":null,"options":["Default Title"],"price":19398,"weight":2359,"compare_at_price":null,"inventory_quantity":-1,"inventory_management":"shopify","inventory_policy":"deny","barcode":"023913229269","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.actionmachineinc.com\/cdn\/shop\/products\/shopping_cdb4347a-3dd3-4359-aa2f-d840156d3390.webp?v=1676559165","\/\/www.actionmachineinc.com\/cdn\/shop\/products\/3-3-6421X_Top_13182.png?v=1676559165"],"featured_image":"\/\/www.actionmachineinc.com\/cdn\/shop\/products\/shopping_cdb4347a-3dd3-4359-aa2f-d840156d3390.webp?v=1676559165","options":["Title"],"media":[{"alt":null,"id":31808869335267,"position":1,"preview_image":{"aspect_ratio":1.0,"height":600,"width":600,"src":"\/\/www.actionmachineinc.com\/cdn\/shop\/products\/shopping_cdb4347a-3dd3-4359-aa2f-d840156d3390.webp?v=1676559165"},"aspect_ratio":1.0,"height":600,"media_type":"image","src":"\/\/www.actionmachineinc.com\/cdn\/shop\/products\/shopping_cdb4347a-3dd3-4359-aa2f-d840156d3390.webp?v=1676559165","width":600},{"alt":null,"id":19417106219159,"position":2,"preview_image":{"aspect_ratio":1.0,"height":600,"width":600,"src":"\/\/www.actionmachineinc.com\/cdn\/shop\/products\/3-3-6421X_Top_13182.png?v=1676559165"},"aspect_ratio":1.0,"height":600,"media_type":"image","src":"\/\/www.actionmachineinc.com\/cdn\/shop\/products\/3-3-6421X_Top_13182.png?v=1676559165","width":600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eSpicer Drive Shaft Transmission Slip Yoke\u003c\/h2\u003e\n\u003cp\u003eCan be used on long tail-shaft housing transmissions but most commonly used as a transfer case yoke. \u003c\/p\u003e\n\u003c!-- ↓ TAB Section ↓ --\u003e\n\u003cul class=\"shopify-tabs\"\u003e\n\u003cli data-tab=\"tab-1\" class=\"current\"\u003eProduct Specs\u003c\/li\u003e\n\u003cli data-tab=\"tab-2\"\u003eDescription\u003c\/li\u003e\n\u003cli data-tab=\"tab-3\"\u003eDiagrams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"shopify-tab-content current\" id=\"tab-1\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission \u0026amp; Transfer Case Applications: \u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits the GM transmissions with 32 spline output shaft: 6L50, 6L80E, TH-400 long tail, 4L80E long tail and Transfer Case: NP241C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1410\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutside Snap Ring\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eU-Joint Cap Diameter (A):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.188 Inch\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eU-joint Width (B) \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.188 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlip Yoke Length (C)\u003cbr\u003e(Center Line to End of Spline)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.070 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarrel Diameter (D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.885 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpline Diameter (E)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.378 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber Of Splines (F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 (31 with a blind spot - see note below*)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpline Counter Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Make\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cem\u003eVMRS: 024002038\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Driveshaft Slip Yoke Diagram Outside Snap Ring Style\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/ScreenShot2023-05-26at3.07.11PM_480x480.png?v=1685128181\"\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Output Shaft Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eIf you have a TH-400 or 4L80 confirm if you have an o-ring on the output spline of your transmission. If your transmission has an o-ring you will need a 5.5” short barrel counter bored slip yoke.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Transmission Slip yoke with and without counter bore\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/Transmission_Slip_yoke_counterbore_480x480.png?v=1613663588\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shopify-tab-content\" id=\"tab-2\"\u003e\n\u003ch2\u003eSPICER DRIVE SHAFT TRANSMISSION SLIP YOKE\u003c\/h2\u003e\n\u003cp\u003eGenuine Spicer\/Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shopify-tab-content\" id=\"tab-3\"\u003e\n\u003cp\u003eSome slip yokes have missing splines. To verify spline count, always count the splines on the transmission output shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"outside snap ring slip yoke\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/Screen_Shot_2020-01-31_at_8.22.40_AM_480x480.png?v=1580478334\"\u003e\u003cimg alt=\"Driveshaft Slip Yoke Diagram Spline Count\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2012\/8549\/files\/ScreenShot2023-05-26at12.47.42PM_480x480.png?v=1685119728\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ↑ TAB Section ↑ --\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis part is compatible with: \u003cbr\u003e\u003c\/strong\u003eSpicer \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/5-160x?variant=38130351621\" title=\"Spicer 5-160X U-Joint\"\u003e5-160X\u003c\/a\u003e U-Joint Greasable\u003cbr\u003eNeapco \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/2-0054g?variant=4874705109029\" title=\"Neapco 2-0054G U-Joint\"\u003e2-0054G \u003c\/a\u003eU-Joint Non-Greasable\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComparable Part Numbers:\u003c\/strong\u003e\u003cbr\u003eSpicer 3-3-01646X Slip Yoke Nickle Plated\u003cbr\u003eAAM \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/40021530?variant=40939128453\" title=\"AAM 40021530 Trans Slip Yoke\"\u003e40021530\u003c\/a\u003e Trans Slip Yoke\u003cbr\u003ePTI \u003ca href=\"https:\/\/www.actionmachineinc.com\/products\/4103-322?variant=39017471213719\" title=\"PTI 4103-322 Trans Slip Yoke\"\u003e4103-322\u003c\/a\u003e Slip Yoke Nickle Plated\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e"}

Spicer 3-3-6421X Trans Slip Yoke

Vendor: Spicer/Dana, Sku: 3-3-6421X

Product Description

Spicer Drive Shaft Transmission Slip Yoke

Can be used on long tail-shaft housing transmissions but most commonly used as a transfer case yoke. 

  • Product Specs
  • Description
  • Diagrams
Transmission & Transfer Case Applications: 
Fits the GM transmissions with 32 spline output shaft: 6L50, 6L80E, TH-400 long tail, 4L80E long tail and Transfer Case: NP241C

 

Series: 1410
Style: Outside Snap Ring
U-Joint Cap Diameter (A): 1.188 Inch
U-joint Width (B)  4.188 Inch
Slip Yoke Length (C)
(Center Line to End of Spline)
8.070 Inch
Barrel Diameter (D) 1.885 Inch
Spline Diameter (E) 1.378 Inch
Number Of Splines (F) 32 (31 with a blind spot - see note below*)
Spline Counter Bore No
Vehicle Make GM

 VMRS: 024002038

Driveshaft Slip Yoke Diagram Outside Snap Ring Style

Transmission Output Shaft Style

If you have a TH-400 or 4L80 confirm if you have an o-ring on the output spline of your transmission. If your transmission has an o-ring you will need a 5.5” short barrel counter bored slip yoke.

Transmission Slip yoke with and without counter bore

SPICER DRIVE SHAFT TRANSMISSION SLIP YOKE

Genuine Spicer/Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.

Some slip yokes have missing splines. To verify spline count, always count the splines on the transmission output shaft.

outside snap ring slip yokeDriveshaft Slip Yoke Diagram Spline Count


This part is compatible with: 
Spicer 5-160X U-Joint Greasable
Neapco 2-0054G U-Joint Non-Greasable

Comparable Part Numbers:
Spicer 3-3-01646X Slip Yoke Nickle Plated
AAM 40021530 Trans Slip Yoke
PTI 4103-322 Slip Yoke Nickle Plated

$193.98
Maximum quantity available reached.
.