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Mercury MerCruiser 21-64871A 2 Genuine OEM Magnum Reed Block and Cylinder Head Check Valve Kit
- Genuine OEM Mercury Quicksilver Parts
- Reed Block and Cylinder Head Check Valve Kit
- For use with:
- MERC 40 - 40
- MERC 500 - 500
- MERC 850 - 850
- XR-2 - MERC XR2
- XR-4/MAGNUM II - XR-4
- XR-4/MAGNUM II - MAGNUM II
- XR-2 MAGNUM - MERC/MAR XR2/MAGNUM
- 135/150 HP (V-6) - V-135
- 135 HP/ 150 HP (V-6) - V-135
- 135/150/175 200(2.5L) XR4/MAGNUM II - XR-4
- 135/150/175 200(2.5L) XR4/MAGNUM II - V-175
- 135/150/175 200(2.5L) XR4/MAGNUM II - MAGNUM II
- 135/150/175 200(2.5L) XR4/MAGNUM II - V-200 (2.5L) 1991 ONLY
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-1500
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150 Work
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150-XR-2
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150 Magnum
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150 Marathon
- 175 HP V-6 (1976-1988 COMBINED BOOKS) - V-175
- 200 HP (V-6) (1978-1988 COMBINED BOOKS) - V-200
- Manufacturer: Mercury, Mariner, Quicksilver, MerCruiser
- Model Number: Valve Kit
- Part Number: 21-64871A 2
- Also Known As: 21-64871A2, 2164871A2