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What our customers are saying:

"You guys are SOOOOOO cool! Real parts, excellent prices, and customer care way beyond the call of duty. The six bucks shipping refund isn't the issue. The fact that you refunded it, and notified me, proves your caliber. Not to forget that you had arcane items IN STOCK, or that your website permits "quick ordering", or that your PAPER catalog has excellent and clear info!"
C.P. from Hawaii

Cooling System Components & Silicone Hose

Pegasus stocks the highest-quality cooling system components, including blue silicone coolant hose in a variety of shapes and sizes, Davies-Craig electric water pumps, and many other parts and accessories to help keep your racecar running cool.

Silicone Coolant Hoses by Shape

Inside diameters from 0.5 to 3.0 inch

Silicone Coolant (and Turbo) Hoses by Inside Diameter

Inside diameters from 0.5 to 3.0 inch

Coolant Hose Splicing Nipples, 13mm to 89mm

Inline Temperature Gauge Adapters for Silicone Hose

Coolant Expansion & Catch Tanks

Radiator Caps

Radiator and Cooling System Filler Necks

Cooling System Warning Switches & Lights

FF1600 Water Pump & Drives

Ford 2.0L Water Pump Drives

Davies Craig Electric Cooling Pumps and Fans

Replace your belt-driven water pump and fan to regain valuable horsepower

Silicone Coolant Bypass Caps

Quick-Disconnect Couplers for Aluminum Tubing

Weld-on couplers that let you connect and disconnect tubes without tools

High-Performance Plumbing

Recent Top Selling Products for this category
Black Silicone Hose, 1" I.D. 45 degree Elbow, 4" Legs Our 1 inch 45 Degree Elbows are designed for endurance and performance in custom coolant plumbing applications. Black silicone hose has 3 ply reinforcement.	Black Silicone Hose, 5/8" I.D. 90 degree Elbow, 4" Legs Our 90 Degree Hose Elbows are designed for custom coolant plumbing applications. Black silicone hose has 3 ply reinforcement. 16mm nominal ID fits over 5/8" OD tubing.	32mm (1 1/4 inch) Pegasus Pro Design Aluminum Hose Joiner Use our 1 1/4 inch OD anodized aluminum joiner to connect any two 32mm ID silicone hoses - an elbow to a straight section, two elbows, or a reducer to an elbow.