News
Shell Rotella vs Chevron Delo vs Mobil Delvac: Choosing Heavy Duty Diesel Engine Oil
October 13, 2026 · RPS DistributorsThree of the most trusted names in diesel engine oil, compared side by side — plus what CK-4 and FA-4 mean and how to...
Winter Air Brake Maintenance: How to Stop Frozen Air Lines on Your Trucks
October 11, 2026 · RPS DistributorsMoisture in an air brake system turns into ice when temperatures drop. Here is how to keep air lines, valves and tanks clear all...
Diesel Exhaust Fluid (DEF) Guide: Storage, Freezing and Buying in Bulk
October 9, 2026 · RPS DistributorsDEF keeps modern diesel trucks running clean and legal. Here is how to store it, what happens when it freezes, and how to save...
WD-40 vs PB Blaster vs Brake Cleaner: Which Shop Spray to Use and When
October 8, 2026 · RPS DistributorsEvery shop has a shelf of aerosol cans. Here is which one to grab for rusted bolts, squeaks and greasy brake parts — and...
How to Keep Diesel From Gelling This Winter: A Fleet Guide to Anti-Gel Additives
October 6, 2026 · RPS DistributorsCold mornings and gelled fuel cost fleets hours of downtime. Here is how to treat diesel before the temperature drops, and what to stock...
Welcome to the New RPS Distributors Online Store
September 29, 2026 · RPS Distributors Inc.Our new website makes it faster to find the heavy-duty truck parts, automotive products, lubricants and commercial supplies your business runs on.