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VALVE-CHECK Mercruiser 21-426585 

# 525-21-426585
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VALVE-CHECK Mercruiser 21-426585

Supersedes: 21-72016, 21-426584, 21-F743858, 21-42658, 21-426581, 21-426582

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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: $24.58
Your Price: $24.58
 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:

300 PROMAX/SUPER MAGNUM (3.0L) - 300 (3.0L EFI) SuperMagnum55/60 JET 40/45 (3 CYLINDER) - 55 (3 CYL.)
55/60 JET 40 (3 CYLINDER) - 60 (3 CYL.)40/50 HP JET 30 (3 CYL.) - 40 (3 CYL.)
100/115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)55/60 JET 40 (3 CYLINDER) - 40 JET
200/225/250 (3.0L) SEAPRO/MARATHON EFI - 225 (3.0L EFI)75/90/115 DFI - 115 DFI (3 CYL.)(1.5L)
FORCE 120 HP (1998-1999) - 120 H.P. (1999)FORCE 75/90 - 75 H.P. (1999)
SPORT JET 120 XR2 - 120XR2 (POWERHEAD) 199940/50 (3 CYLINDER) 2-STROKE - 50 (3 CYL.)
75/90 HP 65 JET (3 CYLINDER) - 75 (3 CYL.)75/90/115/125 DFI 1.5L (3 CYLINDER) - 125 DFI (3 CYL.)(1.5L)
200/225 (3.0L DFI) - 225 (DFI)PARTS MANUAL 300X (3.0L EFI) PRO MAX - 300X (3.0L EFI) PRO MAX
115 PRO XS 1.5L - 3 CYLINDER - 115 Pro XS (3 CYL.)(1.5L)250XB (3.0L EFI) - 250XB (3.0L EFI)
40/50 JET 30 (3 CYLINDER) 2-STROKE - 30 JET (3 CYL.)75/90 HP 65 JET (3 CYLINDER) - 65 JET
225 AND 225 SEAPRO/MARATHON (3.0L CARB) - 225 SEAPRO (3.0L CARB)55/60 JET 40/45 (3 CYLINDER) - 60 (3 CYL.) BIGFOOT
75/90/115 DFI 1.5L (3 CYLINDER) - 115 DFI (3 CYL.)(1.5L)40/50 HP JET 30 (3 CYL.) - 30 JET (3 CYL.)
200/225 DFI (3.0L) - 225 (DFI)FORCE 120 HP (1998-1999) - 120 H.P. (1998)
55/60 JET 40/45 (3 CYLINDER) - 45 JET55/60 JET 40 (3 CYLINDER) - 55 (3 CYL.)
55/60/45 JET/60 BIGFOOT (2-STROKE) - 60 (3 CYL.) BIGFOOT300 PROMAX/SUPER MAGNUM (3.0L) - 300 (3.0L EFI) ProMax
200 HP (V-6) (1978-1988 COMBINED BOOKS) - V-200200/225/250 (3.0L) EFI - 250 (3.0L EFI)
40/50 JET 30 (3 CYLINDER) 2-STROKE - 40 (3 CYL.)SPORT JET 120 XR2 - 120XR2 (POWERHEAD) 2000
40/50 (3 CYLINDER) 2-STROKE - 40 (3 CYL.)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI SEAPRO
75/90/115 DFI 1.5L (3 CYLINDER) - 80 Jet (3 CYL.)(1.5L)55/60/45 JET/60 BIGFOOT (2-STROKE) - 45 JET
SPORT JET 120 XR2 - 120XR2 (JET DRIVE) 2000SPORT JET 120 XR2 - 120XR2 (JET DRIVE) 1999
300X EFI (3.0L) - 300X (3.0L EFI) PRO MAX100/115/125 HP 80 JET (4 CYLINDER) - 100 (4 CYL.)
200/225 DFI (3.0L) - 200 (DFI)75/90/115/125 DFI 1.5L (3 CYLINDER) - 80 Jet (3 CYL.)(1.5L)
225/250 EFI (3.0L) - 250 (3.0L EFI)115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)
225/225 SEAPRO/MARATHON (3.0L) CARB - 225 MARATHON (3.0L CARB)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 3.0L EFI MARATHON
115/125 HP 80 JET (4 CYLINDER) - 80 JET200/225/250 (3.0L) SEAPRO/MARATHON EFI - 225 (3.0L EFI) SEAPRO
75/90 HP 65 JET (3 CYLINDER) - 90 (3 CYL.)225 AND 225 SEAPRO/MARATHON (3.0L CARB) - 225 (3.0L CARB)
200/225 (3.0L DFI) - 200 (DFI)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 200 (3.0L EFI)
75/90 HP 65 JET (3 CYLINDER) - 65 JET (3 CYL.)55/60/45 JET/60 BIGFOOT (2-STROKE) - 55 (3 CYL.)
225/250 3.0L EFI - 250 (3.0L EFI)100/115/125 HP 80 JET (4 CYLINDER) - 80 JET
55/60 JET 40/45 (3 CYLINDER) - 40 JET75/90/115 DFI - 90 DFI (3 CYL.)(1.5L)
250 EFI LONG (3.0L) - 250 LONG (3.0L)(EFI)200/225/250 (3.0L) SEAPRO/MARATHON EFI - 250 (3.0L EFI)
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