Upgrade Your Mercury Mercruiser with the JPR-HSP7305 JMP Marine High Speed Engine Cooling Pump

October 16, 2025

If you own a Mercury Mercruiser engine, you know how important a dependable cooling pump is. Overheating can shut down your vessel, damage the engine, and ruin a day on the water. That’s why serious boaters and marine professionals turn to the JPR-HSP7305 JMP Marine Mercury Mercruiser High Speed Engine Cooling Pump — a premium replacement designed for strength, reliability, and performance.

This isn’t just another replacement part. The JPR-HSP7305 is a 100% plug-and-play replacement for Mercury Mercruiser pump p/n 897345016 and Sherwood pump p/n P1505, P-1505. Built to work with QSD 4.2 engines (270–350hp @ 3800) and L6 models, it installs easily and gets your vessel back on the water faster.

Built to Last in Demanding Marine Conditions

This JMP Marine pump features heavy-duty bronze casting for superior corrosion resistance, a non-magnetic marine-grade shaft for maximum durability, and a bronze cam for long-term reliability. The high-performance flexible impeller and precision mechanical seal ensure powerful flow with reduced risk of leaks. With a high-volume flow capacity, this pump keeps your engine cool and efficient — even under heavy loads or high-speed operation.

Maintenance Made Simple

Keeping your pump in top condition is easy thanks to JMP Marine’s dedicated service kits. The JSK0172 Major Service Kit provides all internal parts for a full rebuild, while the JSM0172 Minor Service Kit covers the essentials for routine upkeep. Both are sold separately, giving you cost-effective options to extend pump life and maximize performance.

Why Choose JMP Marine?

When you choose JMP Marine, you’re investing in premium quality. Unlike some parts that simply meet the minimum requirements, JMP pumps are upgraded internally for better performance, longer service life, and superior dependability. It’s no wonder they’re trusted worldwide by boaters who demand the best.

Order Your JPR-HSP7305 Today

Don’t wait until engine trouble leaves you stranded. The JPR-HSP7305 JMP Marine Mercury Mercruiser High Speed Engine Cooling Pump is in stock and ready to ship. With its rugged construction, easy installation, and proven performance, it’s the smart choice for anyone looking to protect their investment and enjoy worry-free boating.

As JMP Marine proudly says:
“THE ONLY ONE.”

Make the switch today and give your Mercury Mercruiser the cooling power it deserves.