Sherwood P176X - Caterpillar 3208 Bronze Raw Water Pump
Sherwood P176X - Caterpillar 3208 Bronze Raw Water Pump
Sherwood
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Sherwood P176X - Bronze Raw Water Pump, Caterpillar 3208
The Sherwood P176X is a bronze raw water pump for cooling select Caterpillar 3208 diesel marine engines. Supplied with an installed neoprene impeller, it provides a complete pump replacement for applicable Caterpillar 9Y1304 and 7E4115 installations and replaces Sherwood P171 and P176 pumps. Its 1-1/2 in. female NPT inlet and 1-3/4 in. hose-barb outlet give you clear connection specifications to compare with your existing cooling system before ordering.
Part Specifications
- Part Number: P176X
- Pump construction: Bronze
- Engine compatibility: Select Caterpillar 3208 diesel marine engines; confirm the specific installation
- Inlet: 1-1/2 in. female NPT
- Outlet: 1-3/4 in. hose barb
- Impeller: Neoprene, installed
- Replaces: Caterpillar 9Y1304 and 7E4115; Sherwood P171 and P176
- Serviceable impeller: Sherwood 17000K impeller kit
Confirm Fitment Before Ordering
Use the parts diagrams available on our website to help identify the correct part. For added fit confidence, send us your engine model and serial number by email, text, or live chat, and we'll confirm compatibility before you order. Compare your existing pump's part number and connections, as the P176X is not specified for every Caterpillar 3208 installation.
Additional Information
- Vendor: Sherwood
- Part Number: P176X
- OEM Cross-Reference: Caterpillar 9Y1304 and 7E4115
- Included: Raw water pump with installed neoprene impeller
Installation Notes
Refer to the applicable Caterpillar engine and Sherwood pump service manuals for installation requirements and specifications.
Frequently Asked Questions
Q: Does the Sherwood P176X fit every Caterpillar 3208 engine?
A: No universal fitment is specified; it is intended for select Caterpillar 3208 diesel marine engine installations. Send us your engine model and serial number so we can confirm the correct pump before ordering.
Q: Which pump part numbers does the P176X replace?
A: The listed replacements are Caterpillar 9Y1304 and 7E4115, along with Sherwood P171 and P176. Confirm the connections and specific engine installation before choosing a replacement.
Q: Is an impeller included with this pump?
A: Yes. The P176X is supplied with an installed neoprene impeller.
Q: Which replacement impeller does this pump use?
A: It uses the Sherwood 17000K impeller kit, providing a clearly identified service part for future maintenance.
Q: What are the inlet and outlet connection sizes?
A: The inlet is 1-1/2 in. female NPT, and the outlet is a 1-3/4 in. hose barb. Compare both connections with your existing pump and plumbing before ordering.

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.