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WATER PUMP FORD 351C/351M/400

WATER PUMP FORD 351C/351M/400

$123.54
$123.54
Sale Sold out

The WATER PUMP FORD 351C/351M/400 is a high-flow mechanical water pump engineered for Ford 351C, 351M, and 400 engines. It moves significantly more coolant at lower engine speeds than stock pumps, reducing hot spots and maintaining consistent operating temperatures across the entire engine. Built for street, strip, or marine use, this pump is the beating heart of your upgraded cooling system.

This pump flows 35 GPM at 2000 engine RPM and features a cast-aluminum or cast-iron housing with a precision-machined shaft and sealed bearing assembly for long service life. The impeller uses a high-efficiency vane design with 8 blades for maximum coolant velocity. Includes a heavy-duty gasket set. Operating temperature range covers -26.8°F to 214.8°F.

A stock water pump is often the most restrictive component in the entire cooling system. This high-flow pump moves coolant aggressively even at idle speed, preventing troublesome hot spots during break-in periods and city traffic. At high RPM, it maintains the coolant velocity necessary to keep big power numbers safe. Simple drop-in replacement with no modifications needed. If you have upgraded your radiator, do not bottleneck it with a stock pump.

Upgrade your build with the WATER PUMP FORD 351C/351M/400 at Atech Motorsports. Expert technical support, fast shipping, and competitive pricing. Order today and keep your project moving forward.
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Frequently Asked Questions

How do I verify this pump fits my vehicle make and model year?

Check this water pump's listing for your year, make, model, and engine size for fitment. Most cooling parts from Atech Motorsports are direct bolt-on for 3-5 model years with OEM connectors. Measure your existing unit's core size and 1.25-1.5 inch inlet-outlet diameters before ordering. Verify all hose and wiring connections match to avoid fabrication work during installation. This mechanical water pumps circulates coolant through your engine block and radiator. These mechanical water pumps maintain proper coolant flow for your engine.

What cooling capacity does this pump provide for my daily driver?

This water pump provides 18,000 to 36,000 BTUs of capacity depending on size with 12-16 fins per inch. A 2-row or 3-row core with 1.0-to-1.5-inch tube spacing maximizes heat rejection under load. At 90 degrees ambient, this water pump keeps coolant 15-25 degrees cooler than a degraded factory part. Sustained 5,500 RPM operation needs 2,000 to 3,000 CFM of airflow from your fan system. This mechanical water pumps circulates coolant through your engine block and radiator. These mechanical water pumps maintain proper coolant flow for your engine.

Does this pump include a warranty covering defects and premature failure?

This water pump has a 1-2 year warranty on materials and workmanship covering seam leaks and seal failure. Damage from improper installation, impacts, or wrong coolant types is excluded from coverage. Atech Motorsports backs this cooling part with a limited warranty needing proof of purchase. Register within 30 days online and keep your receipt for any warranty claims. This mechanical water pumps circulates coolant through your engine block and radiator. These mechanical water pumps maintain proper coolant flow for your engine.

Can this pump handle high-boost turbocharged engines reliably without failing?

This water pump handles boosted engines up to 650 horsepower with proper fan shrouding and airflow. The core is pressure-tested to 35-50 PSI, above the 15-20 PSI of boosted cooling systems. Welded aluminum or brazed brass construction withstands 0-to-250-degree thermal cycling without cracking. For track use above 700 horsepower, consider a triple-pass core for extra cooling capacity. This mechanical water pumps circulates coolant through your engine block and radiator. These mechanical water pumps maintain proper coolant flow for your engine.

What maintenance does this pump need to keep working efficiently?

Flush this water pump every 2-3 years using 50/50 ethylene-glycol and distilled water to prevent internal corrosion. Inspect the core and fins yearly for debris that reduces heat transfer by up to 30 percent. Check hose clamps at 5-7 ft-lbs and replace the cap below 13-16 PSI rating. This maintains your water pump at peak efficiency throughout its service life in your vehicle. This mechanical water pumps circulates coolant through your engine block and radiator. These mechanical water pumps maintain proper coolant flow for your engine.

Will this pump improve cooling compared to my failing original part?

This water pump outperforms worn factory parts by 20 to 30 percent with improved core and fin design. Factory units degrade as passages clog and corrosion reduces surface area for heat transfer. This replacement uses a 2-row or 3-row core versus 1-row OEM, adding 1-2 quarts of coolant volume. Expect temperatures 10-20 degrees lower under heavy load or towing conditions with this part. This mechanical water pumps circulates coolant through your engine block and radiator. These mechanical water pumps maintain proper coolant flow for your engine.