Pinion Seals
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The term pinion seals refers to the seals for end yoke shafts attached not only to a pinion but also to the input and output shafts of the forward axle in a tandem. Generally the pinion seals that Plaza stocks are components of tandem axles. Thus below, seals are usually identified as “front input”, “front output” , and “rear input” (where the actual pinion is located) Also in the data below “Bore ID” is the inner diameter of the hole into which the seal will fit and “yoke shaft OD” is the outer diameter of the shaft around which the seal also fits.
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Other Helpful Information |
Pinion Seals Currently In Stock
| | OEM | | Shaft | | Seal PN | | Bore ID | | Yoke Shaft |
| | Axle | | Location | | OD |
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| Dana Spicer Eaton |
| 344,400,404,405,454 |
| | front output | Stemco 429-0004 | 3.625 | 2.625 |
| 344,404,405,454 |
| | front,rear input | Stemco 429-0012 | 4.564 | 3.000 |
| 400 |
| | rear input | Stemco 429-0003 | 4.564 | 2.625 |
| 402(input), 40,461-653 series |
| | front input,output | Stemco 429-0006 | 4.003 | 2.937 |
| DT340/341/380/381/386/400/401/402/40 |
| | front output | SKF 26239 | 3.623 | 2.625 |
| G340S, G380S |
| | front input | SKF 30007 | 3.751 | 3.000 |
| J340S/380S/400S |
| | single input | SKF 30140 | 5.750 | 3.000 |
| N340, N400 |
| | front output | SKF 25005 | 3.628 | 2.502 |
| RC341/381/401/402/451 |
| | rear input | SKF 26378 | 4.562 | 2.625 |
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| GM |
| | single input | SKF 29192 | 4.003 | 2.938 |
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| Mack |
| 88AX456 |
| | front input | Stemco 429-0008 | 3.537 | 2.751 |
| 88AX457 |
| | rear input | Stemco 429-0009 | 3.996 | 2.751 |
| 88AX458 |
| | front input | Stemco 429-0002 | 4.500 | 3.500 |
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| Meritor |
| 160,161,164 series |
| | rear input | Meritor A1-1205-A-2731 |
| ELHD, ERLHD |
| | front input | SKF 27295 | 3.543 | 2.75 |
| | rear input | SKF 27452 | 3.876 | 2.75 |
| R145/160 |
| | front input | Stemco 429-0007 | 4.249 | 3.253 |
| | front input | Meritor A1-1205-X-2728 |
| SQ100 |
| | front input | Meritor A1-1205-Y-2729 |
| | front input | Stemco 429-0005 | 3.751 | 3.003 |
| | rear input | Stemco 429-0010 | 4.935 | 3.003 |
| | rear input | Meritor A1-1205-Z-2730 |
| SR170 |
| | front output | SKF 29961 | 4.003 | 3.000 |
