Penray's Power Fleet filters provide high performance and quality filtering to combat overheating and other cooling system problems like scaling and liner pitting, ensuring that your trucks remain on the road running cool and clean.
Penray's Power Fleet filter line includes:

Need-Release Extended Life Cooling System Filters

Compatible with all conventional, extended-life, long-life, OAT, NOAT, HOAT, GO-5, and automotive coolants

Compatible with all colors of coolant: pink, fuchsia, red, orange, yellow, green, blue, brown and water

Fixes coolant problems
Eliminates concerns about top-off fluids
Repairs organic acid and extended life flaws
Eliminates the need to drain, flush and refill your system
Helps eliminate down time
Lasts 150,000 miles, 15 months or 3,000 hours guaranteed

Pencool NF2999 Series Coolant Filter

High quality, long-life filter has been specially designed for use with liquid cooling treatment.

It will last as long as 50,000 miles or 1500 hours

The NF2999 features an inner shell with a tough epoxy coating to guard against rust caused by low corrosion inhibitor protection

The outer shell is coated with baked enamel to prevent intrusive rust from causing leaks

Penray's exclusive filter element has been tested at temperatures of 350°F without degradation

NF2999 fits standard filter bracket for Detroit Diesel, Caterpillar, Cummins, Ford, etc. engines

Pencool NF3000 with Stabil-Aid Cooling System Filters

All Pencool 3000 Cooling System Filters combine a high-quality, long-life Pencool Filter with one pint or more of Pencool 3000 Cooling System Corrosion Inhibitor and Coolant Stabilizer

It stops coolant gel formation

Pencool 3000 is accepted for use by major engine manufacturers and is compatible with all types of antifreezes

All NF3000 version filters fit standard filter brackets for Detroit Diesel, Caterpillar, Cummins, Ford, etc. engines