Login
See us on:
Visit CP on Facebook Visit CP on Instagram Visit CP on YouTube
Is your boat in the gallery?
Image Gallery  
Instructions & Guides:
Instructions  
Find Parts by Mercury Model:
OEM Part Finder  
What's popular today?
Popular Items  
What are you looking for Today?

Need Help? Call Us:

1-800-225-9871

Outside the USA? Call 707-585-9871

CHECK VALVE Mercruiser 21-426233 

CHECK VALVE Mercruiser 21-426233

Supersedes: 21-42623, 21-426231, 21-91933

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: $99.92
Your Price: $99.92
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.
I Understand the shipping and return terms above and would like to add to my cart. (Please Check Box)
Additonal Info On This Product:

Applications Where This Item Is Used:

30/40 (2 CYLINDER) 2-STROKE - 30 (2 CYL.)200 DFI JET DRIVE - 200 DFI M2 JET DRIVE (PUMP)
75/90 HP 65 JET (3 CYLINDER) - 75 (3 CYL.)100/115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)
75/90 HP 65 JET (3 CYLINDER) - 90 (3 CYL.)200XS DFI (2.5L) ROS - 200XS DFI (2.5L) ROS
175 PROXS (2.5L) - 175 PROXS (2.5L)115/125 HP 80 JET (4 CYLINDER) - 80 JET
135/150/175 DFI (2.5L) - V-175 DFI (2.5L)135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-140 (INTERNATIONAL)
150/200 EFI (2.5L) - V-150 EFI (2.5L)100/115/125 HP 80 JET (4 CYLINDER) - 80 JET
200XS DFI (2.5L) - 200XS DFI (2.5L)150/175/200 EFI (2.5L) - V-150 EFI (2.5L)
225X EFI PROMAX - 225X EFI PROMAX150 PRO XS (2.5L) - 150 Pro XS (2.5L)
115/125 HP 80 JET (4 CYLINDER) - 115 (4 CYL.)200 DFI JET DRIVE - 200 DFI JET DRIVE (PUMP)
75/90 HP 65 JET (3 CYLINDER) - 65 JET (3 CYL.)135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - XR-6
240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI M2 JET DRIVE (PUMP)135/150/175 DFI (2.5L) - 110 Jet (2.5L)
200 HP (V-6) (1978-1988 COMBINED BOOKS) - V-200200XS SST - 200XS SST
2.5XS DFI (2.5L) - 2.5XS 2.5L DFI135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - 140 JET
240 EFI AND 240 EFI M2 JET DRIVE - 240 EFI JET DRIVE (POWERHEAD)2.5L/2.5L OFFSHORE EFI - 2.5L (EFI)/(EFI-OFFSHORE)
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-135200 DFI JET DRIVE - 200 DFI JET DRIVE (POWERHEAD)
100/115/125 HP 80 JET (4 CYLINDER) - 100 (4 CYL.)135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-150
135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - V-200135/140/150/200/XR6/MAGNUM III/140JET (2.5L)(CARB) - MAGNUM III
Reviews On This Product:
(0.00)stars out of 5
# of Ratings: 0
Loading...