C51-5027-208
P51 SEC #91 51/51 PIGGYBACK TYP2
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Quantity needed: 1

PART REFERENCE
21/31/330 PUMP LIP SEAL
Reference printed: 10/16/2026 · List prices in CAD
Quantities apply to the named section. A part may be used in several sections and series.
| Section | Description | Series | Quantity in section |
|---|---|---|---|
| A 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T | 21 | 1 |
| A 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T (special order) | 21 | 1 |
| A 30 | SAE-B ANSI-22-1 KEYED 7/8D | 21 | 1 |
| A 30 | SAE-B ANSI-22-1 KEYED 7/8D (special order) | 21 | 1 |
| A 32 | TAPERED / KEYED / INT-THREADED 7/8D, 5/16TD (special order) | 21 | 1 |
| A 43 | SAE-BB ANSI-25-1 KEYED 1D | 21 | 1 |
| A 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 | 21 | 1 |
| A 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 (special order) | 21 | 1 |
| A 66 | SAE-B ANSI-22-1 KEYED 7/8D, TYPE 2 (special order) | 21 | 1 |
| A 67 | SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order) | 21 | 1 |
| A 68 | SPLINE .995D, 6T | 21 | 1 |
| A 68 | SPLINE .995D, 6T (special order) | 21 | 1 |
| A 90 | SAE-B ANSI-22-1 ROUND KEYED/THREADED 7/8D, 5/8TD (special order) | 21 | 1 |
| A 95 | SAE-A ANSI-16-4 SPLINE 5/8D, 9T (special order) | 21 | 1 |
| A 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T | 21 | 1 |
| B 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T | 21 | 1 |
| B 30 | SAE-B ANSI-22-1 KEYED 7/8D | 21 | 1 |
| B 43 | SAE-BB ANSI-25-1 KEYED 1D | 21 | 1 |
| B 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 | 21 | 1 |
| B 66 | SAE-B ANSI-22-1 KEYED 7/8D, TYPE 2 (special order) | 21 | 1 |
| B 67 | SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order) | 21 | 1 |
| B 68 | SPLINE .995D, 6T (special order) | 21 | 1 |
| B 90 | SAE-B ANSI-22-1 ROUND KEYED/THREADED 7/8D, 5/8TD (special order) | 21 | 1 |
| B 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T | 21 | 1 |
| 191 | PIGGYBACK 30-50 CW | 30 | 1 |
| 291 | PIGGYBACK 30-50 CCW | 30 | 1 |
| 391 | PIGGYBACK 30-50 BI | 30 | 1 |
| A 25 | SAE "B" SPLINE TYPE 1 - 13T 7/8 | 30 | 1 |
| A 30 | SAE "B" KEYED TYPE 1 | 30 | 1 |
| A 32 | TAPERED / KEYED TYPE 1 | 30 | 1 |
| A 43 | SAE "BB" KEYED TYPE 1 | 30 | 1 |
| A 43* | SAE "BB" KEYED TYPE 1 | 30 | 1 |
| A 65 | SAE B SPLINE TYPE 2 - 13T 7/8 | 30 | 1 |
| A 66 | SAE B KEYED TYPE 2 | 30 | 1 |
| A 67 | SAE BB KEYED TYPE 2 | 30 | 1 |
| A 98 | SAE "BB " SPLINE TYPE 1 - 15T 1" | 30 | 1 |
| B 25 | SAE "B" SPLINE TYPE 1 - 13T 7/8 | 30 | 1 |
| B 30 | SAE "B" KEYED TYPE 1 | 30 | 1 |
| B 43 | SAE "BB" KEYED TYPE 1 | 30 | 1 |
| B 65 | SAE B SPLINE TYPE 2 - 13T 7/8 | 30 | 1 |
| B 66 | SAE B KEYED TYPE 2 | 30 | 1 |
| B 67 | SAE BB KEYED TYPE 2 | 30 | 1 |
| B 98 | SAE "BB " SPLINE TYPE 1 - 15T 1" | 30 | 1 |
| KO | PIGGYBACK 30-30 CW | 30 | 1 |
| LO | PIGGYBACK 30-30 CCW | 30 | 1 |
| MO | PIGGYBACK 30-30 BI | 30 | 1 |
| 191 | PIGGYBACK SHAFT END COVER 31-51 CW (special order) | 31 | 1 |
| 291 | PIGGYBACK SHAFT END COVER 31-51 CCW (special order) | 31 | 1 |
| 391 | PIGGYBACK SHAFT END COVER 31-51 BI ROTATION (special order) | 31 | 1 |
| A 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T | 31 | 1 |
| A 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T (special order) | 31 | 1 |
| A 30 | SAE-B ANSI-22-1 KEYED 7/8D | 31 | 1 |
| A 30 | SAE-B ANSI-22-1 KEYED 7/8D (special order) | 31 | 1 |
| A 32 | TAPERED / KEYED / INT-THREADED 7/8D, 5/16TD (special order) | 31 | 1 |
| A 43 | SAE-BB ANSI-25-1 KEYED 1D | 31 | 1 |
| A 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 | 31 | 1 |
| A 66 | SAE-B ANSI-22-1 KEYED 7/8D, TYPE 2 (special order) | 31 | 1 |
| A 67 | SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order) | 31 | 1 |
| A 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T | 31 | 1 |
| B 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T | 31 | 1 |
| B 30 | SAE-B ANSI-22-1 KEYED 7/8D | 31 | 1 |
| B 43 | SAE-BB ANSI-25-1 KEYED 1D | 31 | 1 |
| B 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 | 31 | 1 |
| B 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 (special order) | 31 | 1 |
| B 66 | SAE-B ANSI-22-1 KEYED 7/8D, TYPE 2 (special order) | 31 | 1 |
| B 67 | SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order) | 31 | 1 |
| B 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T | 31 | 1 |
| KO | PIGGYBACK PORT END COVER 31-31 CW | 31 | 1 |
| LO | PIGGYBACK PORT END COVER 31-31 CCW | 31 | 1 |
| MO | PIGGYBACK PORT END COVER 31-31 BI ROTATION | 31 | 1 |
| A 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T | 330 | 1 |
| A 30 | SAE-B ANSI-22-1 KEYED 7/8D | 330 | 1 |
| A 43 | SAE-BB ANSI-25-1 KEYED 1D | 330 | 1 |
| A 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 (special order) | 330 | 1 |
| A 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T | 330 | 1 |
| AL 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T - C/W EXT. STUDS | 330 | 1 |
| B 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T | 330 | 1 |
| B 30 | SAE-B ANSI-22-1 KEYED 7/8D | 330 | 1 |
| B 43 | SAE-BB ANSI-25-1 KEYED 1D | 330 | 1 |
| B 65 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T, TYPE 2 | 330 | 1 |
| B 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T | 330 | 1 |
| BL 25 | SAE-B ANSI-22-4 SPLINE 7/8D, 13T - C/W EXT. STUDS | 330 | 1 |
| BL 30 | SAE-B ANSI-22-1 KEYED 7/8D - C/W EXT. STUDS | 330 | 1 |
| BL 43 | SAE-BB ANSI-25-1 KEYED 1D - C/W EXT. STUDS | 330 | 1 |
| BL 98 | SAE-BB ANSI-25-4 SPLINE 1D, 15T - C/W EXT. STUDS | 330 | 1 |
| 191 | PIGGYBACK 50-50 CW | 50 | 1 |
| 291 | PIGGYBACK 50-50 CCW | 50 | 1 |
| 391 | PIGGYBACK 50-50 BI | 50 | 1 |
| KO | PIGGYBACK COVER 51/51 CW | 50 | 1 |
| LO | PIGGYBACK COVER 51/51 CCW | 50 | 1 |
| MO | PIGGYBACK COVER 51/51 BI ROTATION | 50 | 1 |
| 191 | PIGGYBACK 51-51 CW (special order) | 51 | 1 |
| 291 | PIGGYBACK 51-51 CCW (special order) | 51 | 1 |
| 391 | PIGGYBACK 51-51 BI (special order) | 51 | 1 |
| KO | PIGGYBACK COVER 51/51 CW (special order) | 51 | 1 |
| LO | PIGGYBACK COVER 51/51 CCW (special order) | 51 | 1 |
| MO | PIGGYBACK COVER 51/51 BI ROTATION (special order) | 51 | 1 |
| 191 | PIGGYBACK 51-51 CW (special order) | 55 | 1 |
| 291 | PIGGYBACK 51-51 CCW (special order) | 55 | 1 |
| 391 | PIGGYBACK 51-51 BI (special order) | 55 | 1 |