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VALVE-CHECK Mercruiser 21-41888M 

# 525-21-41888M
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VALVE-CHECK Mercruiser 21-41888M

Supersedes: 21-94800M, 21-809560

Supercedes: 21-94800M

Don't know if this part is right for your application? Use our handy Mercury Replacement Parts Finder Tool to check. Make sure you know your Model, Year and Serial Number.

NOTICE: Any images shown are representational ONLY and do not necessarily depict the actual part or included items in a particular part or kit. Mercury has been known to remove items depicted in product images such as screws or gaskets from kits they make without notification. For any product content, fitment or application questions on this part please call Mercury Product Support at 920-929-5040.
MSRP: $20.17
Your Price: $20.17
 You Save: 0% off MSRP!

NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
ALL OEM Mercury parts may take up to 7-10 days to ship. All OEM Mercury parts are NON-RETURNABLE! Orders placed on all OEM Mercury parts are NON-REFUNDABLE! Please contact us with the part number and we can assist you with more accurate delivery time estimate.
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Additonal Info On This Product:

Applications Where This Item Is Used:

8 HP K - 8 K9.9/13.5/15 (323CC) 8/9.9/15 BODENSEE 4-STROKE - 8 (BODENSEE) 4-STROKE (International)
13.5/15/15 BODENSEE (4-STROKE) - 13.5 (4-STROKE) (International)15HP KEROSENE - 15 K (LONG)
40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE - 45 BODENSEE (4-STROKE)15 HP W/MARATHON - W15
8 HP W/MARATHON - W8 (ML)(W/Marathon)75/90 (4-STROKE) - 75 (4-STROKE)(BODENSEE)
15K - 15K13.5/15/15 BODENSEE (4-STROKE) - 15 (4-STROKE)
40/50/60 (4 CYLINDER) CARB 4-STROKE - 60 (4-STROKE)(4 CYL.)15 (4-STROKE) - 15 (4-STROKE)
30/40 CARB 4-STROKE (3 CYLINDER) - 30 (4-STROKE)20 HP MARINER - 20C (THRU PROP. EXHAUST)
8HP KEROSENE - 8 K-LONG25 HP K - 25 K
55 HP W/MARATHON - W-559.9 HP - 9.9C
55 HP - 5540 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE - 40 ITALY (4-STROKE)
8 HP W/MARATHON - W8 (M)(W/Marathon)8HP KEROSENE - 8 K-SHORT
MARINER 25 - 25C (THRU PROP. EXHAUST)8 HP W/MARATHON - W8 (SUL)(W/Marathon)
40 HP MARINER - 40 (TWIN CARB) (W/OIL INJECTION)15 HP K - 15K
MARINER 20 - 20C (THRU PROP. EXHAUST)9.9/13.5/15 (323CC) 8/9.9/15 BODENSEE 4-STROKE - 9.9 (4-STROKE) (323 cc)
30 HP - 30A15 HP - 15C
25 (4-STROKE) - 25 (4-STROKE)30 HP W/MARATHON - W30 (W/MARATHON)
9.9/13.5/15 (323CC) 8/9.9/15 BODENSEE 4-STROKE - 13.5 (4-STROKE) (International)25 HP - 25C (THRU PROP. EXHAUST)
40HP KEROSENE - K 40 H.P.9.9/13.5/15 (323CC) 8/9.9/15 BODENSEE 4-STROKE - 15 (4-STROKE)
40 ITALY/45 BODENSEE 50/50 BIGFOOT 4-STROKE - 50 BIGFOOT (4-STROKE)25HP KEROSENE - 25 K (LONG)
40 HP - 40C (TWIN CARB)75/90 (4-STROKE) - 90 (4-STROKE)
25 HP K - K2540 HP - 40C (TWIN CARB) (W/AUTO-BLEND)
40 HP W/MARATHON - W40 (W/MARATHON)MARINER 30 - 30A
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