Sierra 18-7255 Fuel Pump - Replaces 3745414 - Fits Chrysler V-8 318, 360

The Sierra 18-7255 is a marine fuel pump built as a direct replacement for the original equipment fuel pump on Chrysler V-8 318 and 360 cid inboard engines. It uses a flange mount design (Flange I.D. #6766, M6766) that matches the factory mounting pattern on these engines, and it comes with a mounting gasket so installation does not require sourcing a separate gasket. The pump body and gasket are made from nitrile rubber, a material chosen for its resistance to fuel and oil exposure in the engine compartment.

This fuel pump is designed to replace OEM part number 3745414, giving boat owners a straightforward swap when the original pump wears out or fails. It is intended for Chrysler V-8 318 and 360 cid marine engine applications and is sold as a complete, ready-to-install unit including its mounting gasket.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-7255
• Replaces (OEM): 3745414
• Flange I.D.: 6766, M6766
• Fitment: Chrysler V-8 318, 360 cid
• Weight: 1.29 pounds
• Item Dimensions: 0.39 x 0.39 x 0.39 inches
• Material: Nitrile Rubber
• Mounting Type: Flange Mount
• Gas Type: Gasoline
• Included Components: Mounting Gasket
• UPC: 030999322265

Fitment

• Chrysler V-8 318, 360 cid

Replaces (OEM)

• 3745414

Frequently Asked Questions

What engines does the Sierra 18-7255 fuel pump fit? The Sierra 18-7255 fuel pump fits Chrysler V-8 318 and 360 cid marine inboard engines.

What OEM part number does the 18-7255 replace? It is a direct replacement for OEM fuel pump number 3745414.

Does the 18-7255 come with a mounting gasket? Yes, the Sierra 18-7255 fuel pump includes a mounting gasket, so no separate gasket needs to be purchased for installation.

What is the flange size on this fuel pump? The Sierra 18-7255 uses Flange I.D. #6766 (also listed as M6766), matching the factory flange pattern on compatible Chrysler V-8 engines.

How much does the 18-7255 fuel pump weigh? The Sierra 18-7255 fuel pump weighs 1.29 pounds.

What material is the fuel pump made from? The Sierra 18-7255 is made from nitrile rubber, chosen for its resistance to fuel and oil exposure.

Will this pump work on Chrysler engines other than the 318 or 360 cid? No, the Sierra 18-7255 is specified for Chrysler V-8 318 and 360 cid engines; other Chrysler V-8 displacements use a different Sierra fuel pump part number.

Is the Sierra 18-7255 a genuine Sierra part? Yes, 18-7255 is a genuine Sierra part number, manufactured as a direct-fit replacement fuel pump for the specified Chrysler V-8 applications.

What size is the fuel pump? The Sierra 18-7255 fuel pump measures 0.39 x 0.39 x 0.39 inches as listed in its product dimensions.

Is this fuel pump mechanical or electric? The Sierra 18-7255 is a flange-mounted fuel pump designed to bolt directly to the engine at the OEM flange location (Flange I.D. #6766, M6766).

What comes in the box with the 18-7255? The Sierra 18-7255 fuel pump ships complete with its mounting gasket, ready for installation.