Peterbilt 387 Frame & Chassis

BESTfit Double Convoluted Air Spring For Ridewell, Watson & Chalin SuspensionsIntroducing our Double Convoluted Air Spring, designed to meet your suspension needs with precision and reliability. Crafted with quality materials, this air bag boasts...

BESTfit Suspension Leveling ValveGet your air ride suspension system back in top shape with our Air Leveling Valve, designed specifically for air ride suspensions. This Barksdale Type Height Control Valve is sold individually as an aftermarket...

BESTfit Air BagUpgrade your vehicle's suspension with our quality air bag. Designed for durability and performance, this aftermarket replacement part offers reliable support and enhanced ride comfort. Sold individually, it's the perfect solution for...

BESTfit Height Control Valve Linkage And Rod Kit, Replaces 03-05180Upgrade your height control valve system with our Adjustable Linkage Kit, meticulously engineered for optimal performance and versatility. This kit includes an 18-inch rod with ends and...

BESTfit 18.8 x 12.6 Inch Air Bag With Load 5700 LBs At 80 PSIThe "Air Bag" is a suspension component measuring 18.8 inches in height and 12.6 inches in diameter. It features a plastic base with a top plate that includes three holes/studs, measuring 9...

Single Brake Chamber Type 30 - 8.00 Inch DiameterUpgrade your braking system with our Service Brake Chamber, meticulously designed for optimal performance. Featuring a stroke length of 2.25 inches and a rod threaded full length measuring 8.250 inches by ...

Replacement 8 Inch Brake Diaphragm - Type 30 For Long Stroke ChambersUpgrade your brake system with our aftermarket Type 30 brake diaphragm, designed specifically for long stroke chambers. With dimensions of 7.875 inches in outside diameter and 1.905...

Double Brake Chamber Type 3030 Long Stroke - 8.00 Inch DiameterUpgrade your vehicle's emergency brake system with our premium aftermarket replacement emergency brake chamber. With a stroke length of 3.00 inches and a rod threaded full length measuring 11...

Double Brake Chamber Type 3030 Long Stroke - 8.00 Inch Diameter - Rear Piggy Back Replacement Section OnlyLooking to repair your park brake chamber? Our emergency brake chamber is the perfect solution. With a stroke length of 3.00 inches and designed as...

Type 20 Service Chamber W/ Standard Stroke & Welded ClevisUpgrade your braking system with our aftermarket replacement Service Chamber, Type 20. Measuring 3.875 inches by 10.187 inches and featuring standard thread sizes of 5/8 inch - 18 and 5/8 inch -...

Rear Frame Cover For Steel Crossmember With No NotchOur rear frame covers are crafted from durable stainless steel, ensuring longevity and resistance to corrosion. Designed without cutouts, these covers provide a sleek and uniform appearance for your...

Leveling Valve Rod Linkage Kit For Leveling Height Valve * High Quality Leveling Valve* Adjustable Linkage Kit For Height Control Valve* 18 Inch Rod With Ends And Hardware* Maximum Usable Length 19.500 Inches* Rod Can Be Cut For Shorter Applications*...