MERCURY 42657A4 Valve Assy-Check | PalmerPower
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MERCURY 42657A 4 Check Valve

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$8.70
SKU:
42657A4
Schematic Object Key:
8

MERCURY 42657A 4 Check Valve

$8.70

Disclaimer: Please note that the items featured in the image (schematic diagram) are not sold as a bundled set. To facilitate your search, kindly refer to the schematic object key provided below in order to locate a specific item within the image.

MERCURY 42657A 4 Check Valve

Schematic Object Key : 8

Product Description : MERCURY 42657A 4 Check Valve

Product Category : 40 (3 CYL.)/ 0G590000 THRU 0G760299/ Cylinder Block And Crankcase

Disclaimer: Each item listed in the table below is available for individual purchase and is not sold as part of a package or set.

Other Components:

Key Name Part No.
1 CYLINDER BLOCK 827953T7
2 SCREW, (M8 x 80) 817427 80
3 SCREW, (M8 x 30) 817427 30
4 CHECK VALVE 42658 5
5 TUBING, (20.00 Feet Bulk) (15 IN.) 892024122
6 CHECK VALVE (PRESS-IN) 42623 2
7 CARRIER ASSEMBLY 812888A 2
8 CHECK VALVE 42657A 4
9 SCREW, Adjusting (M6 x 55) 814776
10 NUT, (M6) Stainless Steel 40021 2
11 CAP 42942
12 PIN, Dowel - Without Hole (.375 x .625) (LOCATING) 43044
13 PIN (BEARING RACE) 8M0084653
14 GASKET 827284
15 STUD 8161949
16 PLUG, Pipe (.375-18) 18598 1
17 PLUG, Pipe (.125-27) Brass 32802 2
18 ELBOW 19725
19 CHECK VALVE 42658 5
20 COVER 827251A 1
20 COVER 827251A1
21 LIFTING EYE 850897
22 SCREW, (M8 x 25) Stainless Steel 40011149
23 NOT SOLD SEPARATE, Plug-Serial Number NSS
24 SCREW, (M8 x 25) Stainless Steel 40011149
25 CARRIER 889735
26 THERMOSTAT, 43°C (110°F) 850055001
27 SEAL 854639001
28 O-RING 62701
29 SENDER, Temperature 78799 2
30 RETAINER 889733
31 SCREW, (#10-16 x .600) 878609
32 WASHER, (.203 x .500 x .032) 56681
33 ELBOW 996642
34 WASHER, (.187 x .500 x .062) Neoprene 49221
35 WASHER, (.255 x .620 x .030) Stainless Steel 69056
36 WING NUT 816872
37 CONNECTOR 56759
38 COVER 812996 2
39 O-RING, (.614 x .070) 48462
40 SCREW, (M5 x 20) Stainless Steel 40011108
41 TUBING, (20.00 Feet Bulk) (5-1/2 IN.) 892024122
- POWERHEAD ASSEMBLY 852067T98
- GASKET SET 828553A97
1 CYLINDER BLOCK 827953T7
2 SCREW, (M8 x 80) 817427 80
3 SCREW, (M8 x 30) 817427 30
4 CHECK VALVE 42658 5
5 TUBING, (20.00 Feet Bulk) (15 IN.) 892024122
6 CHECK VALVE (PRESS-IN) 42623 2
7 CARRIER ASSEMBLY 812888A 2
8 CHECK VALVE 42657A 4
9 SCREW, Adjusting (M6 x 55) 814776
10 NUT, (M6) Stainless Steel 40021 2
11 CAP 42942
12 PIN, Dowel - Without Hole (.375 x .625) (LOCATING) 43044
13 PIN (BEARING RACE) 8M0084653
14 GASKET 827284
15 STUD 8161949
16 PLUG, Pipe (.375-18) 18598 1
17 PLUG, Pipe (.125-27) Brass 32802 2
18 ELBOW 19725
19 CHECK VALVE 42658 5
20 COVER 827251A 1
20 COVER 827251A1
21 LIFTING EYE 850897
22 SCREW, (M8 x 25) Stainless Steel 40011149
23 NOT SOLD SEPARATE, Plug-Serial Number NSS
24 SCREW, (M8 x 25) Stainless Steel 40011149
25 CARRIER 889735
26 THERMOSTAT, 43°C (110°F) 850055001
27 SEAL 854639001
28 O-RING 62701
29 SENDER, Temperature 78799 2
30 RETAINER 889733
31 SCREW, (#10-16 x .600) 878609
32 WASHER, (.203 x .500 x .032) 56681
33 ELBOW 996642
34 WASHER, (.187 x .500 x .062) Neoprene 49221
35 WASHER, (.255 x .620 x .030) Stainless Steel 69056
36 WING NUT 816872
37 CONNECTOR 56759
38 COVER 812996 2
39 O-RING, (.614 x .070) 48462
40 SCREW, (M5 x 20) Stainless Steel 40011108
41 TUBING, (20.00 Feet Bulk) (5-1/2 IN.) 892024122
- POWERHEAD ASSEMBLY 852067T98
- GASKET SET 828553A97



Quick Overview

VALVE ASSY-CHECK 21

SKU : 42657A4

PRE: MER

BRAND: MERCURY

COMPANY: Mercury/MerCruiser/Mariner/Force

UPC: 745061148161

Returns Policy

All returns must be authorized. Items returned prior authorization will not be accepted.

Defective new equipment may be returned for warranty repair/exchange to us within five (5) days of the shipment receipt date.  After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer.  Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to a repair charge. 

Non-Defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returns in which there is no original packaging, missing accessories, damage or visible signs of usage of the item.  A restocking fee of up to 25% of purchase price may apply.  Special orders and dangerous goods are non-returnable.

**There's a 20% Restocking Fee on All Returned Palmgren Products in Original Packaging

To get your RMA, simply call (800) 364-4637 for a return authorization number or email sales@palmerpower.com .

(Do not write anything on the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.) Please include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty days.

To check the status of your return, please email us at sales@palmerpower.com. Please be sure to include your RMA number. For more information please check our FAQ page.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Boat Services & Repairs in Houston

We will service your boat whether you bought it from us or not. Our award-winning boat service department has a full-time staff of seasoned, factory-certified technicians dedicated to ensuring that your boat runs well for years to come. Our team is trained to correctly diagnose issues, advise you of any developing problems, and address any unique service issues your boat may require. Whether you need complex engine work and repairs, canvas and upholstery, boat tune Up, electronics installation or repair, or boat detailing, our technicians will work quickly to keep you out of the shop and on the water. Not only does our service department provide the highest quality service, we also have a large parts department for the do-it-yourself types. Ask about our inventory of parts and aftermarket additions to make your own repairs or upgrades.

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Frequently Asked Questions

  • How do I request a quote?
    To request a quote for pricing on any Palmer Power's products, please see our request a quote page. Fill out and submit our quote form and one of our representatives will contact you when your quote is ready.
  • Do you have any Minimum Order Restriction?
    Palmer Power Does not have any Minimum Order Restriction.
  • Will my order be subject to sales tax?
    Estimated state sales tax will appear within your shopping cart for all shipments within the United states unless a signed official state tax exemption certificate is furnished to Palmer Power.
  • How do I check my Order Status?
    To check the status of an online order, email sales@palmerpower.com. Please be sure to include your order number.
  • How do I Return items?

    All returns must be authorized. Items returned prior authorization will not be accepted. International customers must ship any returns to us freight and duty prepaid. Return freight charges for International shipments will be the responsibility of the customer.

    Defective new equipment may be returned for warranty repair/exchange to us within five (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to a repair charge.

    Non-Defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returns in which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.

    (Do not write anything on the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.) Please include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty days.

  • What payment options do I have?

    Palmer Power accepts a variety of payment options for your convenience. For prepayment, we accept all major credit cards (Visa, MasterCard, Discover and American Express), Purchase Orders, and international wire transfers. We also offer credit terms to existing customers.

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