Accessories and fluids designed to assist in maintenance tasks and keep your engine running.

PEAK Flush and Fill Kit

Radiator Flush & Fill Kit

Flush & Fill Kit fits most cars and light trucks and can back flush your vehicle’s cooling system in minutes.

antifreeze tester

Antifreeze Tester

Antifreeze Tester helps test antifreeze/coolant to prevent winter freezing and summer overheating and works with all ethylene glycol coolants.

PEAK Cleaner Flush for flush and filling radiator and engine

Cooling System Cleaner & Flush

Combination cleaner and flush removes tough cooling system deposits in one step.

PEAK- anti-rust Sealer Protector

Sealer & Protector

Sealer and Protector helps prevent antifreeze/coolant and water seepage, while reducing corrosion and dispersing rust and scale while driving.

Radiator Flush & Fill