HD Polyurethane Suspension Bushing – SP46-52800 / MR668UB | rTech HDR

Fits: Freightliner, International, Peterbilt. We can always verify application by VIN or existing part number.

✔ Available in Edmonton Today ✔ Pickup, Delivery, or Install at rTech HDR ✔ Fleet-Proven, High-Durability Replacement

Built for Real Work: This suspension bushing is a premium polyurethane replacement designed to handle the abuse of heavy-duty trucking in Alberta conditions.

Durability: With a ≥90 Shore A durometer rating, this bushing is significantly firmer than standard rubber options—meaning less deflection, reduced movement, and longer service life under load.

Why Fleets Choose our bushings:

• Polyurethane construction resists oil, grease, and road chemicals
• ≥90 Shore A hardness for improved durability and load handling
• Reduces suspension slop and improves tracking
• Helps prevent uneven tire wear
• Ideal for fleet maintenance and high-cycle applications

Specifications:

• Cross-Reference: SP46-52800, MR668UB, Ref# 6803220150
• Durometer: ≥90 Shore A
• Material: Premium polyurethane
• Dimensions: 100mm x 57mm collar. 108mm overall length. 20mm pin
• Weight: 1.85lbs

Pro Tip: Replace bushings in pairs and combine with an alignment to maximize tire life and suspension performance.

Frequently Bought With:

• Torque rod bushings
• Shock absorbers
• Air springs
• Wheel alignment service

Get Back on the Road Faster: Order online in minutes—no calls, no waiting, no guessing.