Engine Cooling System - Buyer's Guide to Engine Cooling Parts

WHO: Earl's Performance Products
WHAT: Form-A-Flex radiator hose kits
WHIPS: Yours
WALLET: $75-up
WHERE: www.earlsplumbing.com; 310.609.1602
Made of non-corrosive stainless steel, Earl's Form-A-Flex radiator hose kits fit 1 1/2- or 1 3/4-inch inlets, come in three lengths (1-, 2-, 3-ft), and your choice of billet hose end sleeves (red, blue, black, chrome).

WHO: GReddy
WHAT: Sport hose kit
WHIPS: Civic, Integra, Eclipse, Sentra
WALLET: $148
WHERE: www.greddy.com; 949.588.8300
GReddy's wrapped OEM upper and lower radiator hoses utilize a stainless steel braid and anodized blue Econo-fit hose ends. This item is well suited for high performance cars as well as show cars.

WHO: GReddy
WHAT: Radiator breather tank
WHIPS: Most applications
WALLET: $142
WHERE: www.greddy.com; 949.588.8300
The GReddy Radiator Breather tank mounts high up in the engine compartment, allowing a filled coolant system room for air expansion, thus reducing chances of overheating due to air lock.

WHO: Flex-a-lite
WHAT: Zinc Anode kit
WHIPS: Most applications
WALLET: Call
WHERE: www.flex-a-lite.com; 800.851.1510
The new zinc anode kit from Flex-a-lite replaces the drain petcock in radiators and protects aluminum cooling systems from damage due to electrolysis or coolant additive failure/breakdown by allowing the zinc anode to corrode first.

WHO: GReddy
WHAT: Aluminum air diversion panel
WHIPS: Various applications
WALLET: $66-up
WHERE: www.greddy.com; 949.588.8300
GReddy's Aluminum Air Diversion Panels are designed to not only improve under the hood looks (available in aluminum, blue, red, and Ti-Gold) but to contain airflow to the radiator core, thus improving cooling efficiency.

WHO: Koyo Cooling Systems
WHAT: Hyper radiator cap
WHIPS: Yours
WALLET: $40
WHERE: www.koyorad.com; 888.557.KOYO
Koyo's Hyper radiator cap is a high performance unit engineered to provide 1.3 kg/cm3 of pressure which raises the boiling point of the coolant, allowing for more efficient cooling.

WHO: GReddy
WHAT: Radiator cap
WHIPS: Most applications
WALLET: $24
WHERE: www.greddy.com; 949.588.8300
GReddy's high-pressure radiator caps are OEM-style caps which directly replace the factory unit. Not only does the metal GReddy badge on the cap dress up your engine compartment, but the 1.3kg/cm2 (18.5psi) pressure rating increases the performance of your radiator.

WHO: GReddy
WHAT: Carbon air diversion panel
WHIPS: Various applications
WALLET: $178-up
WHERE: www.greddy.com; 949.588.8300
Available in carbon Kevlar, black, or silver carbon, GReddy's air diversion panels provide premium engine dress up, while containing airflow to the radiator core, thus increasing heat transfer.

WHO: Nukabe Automotive
WHAT: Cusco radiator cap
WHIPS: Most applications
WALLET: $26
WHERE: www.napsusa.com; 888.591.6277
The high-pressure radiator cap from Cusco is rated at 18.49 psi and raises the boiling point of the coolant to 259 degrees F. Available in two different sizes, the caps are made to fit most applications.