3R03-350 Transmission Yoke 3R Fits various 27 spline (GM) Output Shafts: Turbo 350, TH-350, T56, T375, T-5, T-10, Saginaw, Powerglide, M21, M20, 700R4, 4L65E, 4L60E, 200-R4 and some transfer case applications.
$36.71
+50 in stock
Description
Full-spline 3R-series transmission yoke for GM TH350, T56, 4L60E, and related 26/27-spline output shafts. 5.460″ center-to-end.
Full Description
Q: What is the 3R03-350 and which transmissions does it fit?
A: The 3R03-350 is a full-spline, inside snap-ring 3R-series transmission yoke for GM's 26/27-spline output shaft family. Confirmed fitments: Turbo 350, TH-350, T56, T375, T-5, T-10, Saginaw, Powerglide (some variants), M21, M20, 700R4, 4L65E, 4L60E, 200-R4, and select transfer cases in this spline class. Cross-reference GM part 7812557.
Q: Is the 3R03-350 the same as the 3R03-700?
A: Same spline spec, same hub diameter, same retention style -- but different center-to-end lengths. The 3R03-350 is 5.460" for TH350-length applications, while the 3R03-700 is 6.750" for TH700/4L60E-length applications. Using the wrong length shifts tube engagement depth and can cause vibration or tube-to-case contact.
Q: Is "full spline" important on the 3R03-350?
A: Yes -- full spline means the engagement length runs the complete hub bore depth, maximizing torque-carrying area. Partial-spline designs have a lead-in taper that reduces engagement length. The full-spline design is preferable for high-torque applications because it distributes stress more evenly across all teeth simultaneously.
Alternative parts:
Additional information
| Center u joint to end | 5.460 |
|---|---|
| Counter bore dia | |
| Hub dia | 1.500 |
| Notes | Full Spline GM#7812557 |
| Partn number | 3R03-350 |
| Series | 3R |
| Splines count dia | 26/27 X 1.176 |
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| Transmission Yokes (167) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Center u joint to end 4.875 Counter bore dia 910 Hub dia 1.178 Notes NISSAN- SUBARU Partn number 1203-18 Series 1251 Splines count dia 18 X 0.800 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.875 Counter bore dia 1.038 Hub dia 1.375 Notes NISSAN- SUBARU Partn number 1203-24 Series 1251 Splines count dia 22/24 X 0.995 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.250 Counter bore dia 1.100 Hub dia 1.375 Notes NISSAN- SUBARU Partn number 1203-241 Series 1251 Splines count dia 22/24 X 0.995 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 4.750 Counter bore dia 1.000 Hub dia 1.375 Notes Nissan Partn number 1203-24S Series 1251 Splines count dia 22/24 X 0.995 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 6.000 Counter bore dia 1.250 Hub dia 1.495 Notes Nissan Partn number 1203-26 Series 1251 Splines count dia 24/26 X 1.115 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 6.000 Counter bore dia 1.125 Hub dia 1.375 Notes Nissan Partn number 1203-26S Series 1251 Splines count dia 24/26 X 1.115 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 6.125 Counter bore dia 0 Hub dia 1.575 Notes Toyota Car and Truck / Typically automatic trans Partn number 1303-23 Series 1351-20 Splines count dia 23 X 1.200 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 6.125 Counter bore dia 0 Hub dia 1.495 Notes Toyota Car and Truck Partn number 1303-41 Series 1351-20 Splines count dia 21 X 1.100 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.500 Counter bore dia 1.079 Hub dia 1.298 Notes Capri Partn number 1403-10 Series 1100 Splines count dia 10 X 1.000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.500 Counter bore dia 0 Hub dia 1.375 Notes Capri Partn number 1403-25 Series 1100 Splines count dia 24/25 X 1.109 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
