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PowerTrax 1921-LR Lock-Right Differential Locker, 30 Spline, Fits GM 8.5", Front/Rear, Compatible with Chevrolet, GMC, Buick, Cadillac, Oldsmobile
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 1, 2026 8:18 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Amazon.com
Product Details
✓✅ PowerTrax Lock-Right Differential Locker for GM 8.5" with 30 spline axles. Perfect for vehicles like Chevrolet, GMC, Buick, and Cadillac for both front and rear differentials.
✓✅ Designed for open differentials, it allows for enhanced traction by locking both wheels together when necessary, providing superior grip during off-roading, towing, and handling heavy loads.
✓✅ Easy drop-in installation with no modifications required, offering a seamless upgrade to your existing differential. Ideal for trucks and SUVs like the Chevrolet Silverado and GMC Yukon.
✓✅ Features a durable, maintenance-free design that ensures consistent performance, longevity, and superior traction for both on-road and off-road driving conditions.
✓✅ Backed by a 2-year or 100,000-mile warranty, offering peace of mind and reliability for vehicles like Chevrolet K1500, GMC Jimmy, and Buick Roadmaster under tough conditions.
⚙️ Specifications
Powertrax
PowerTrax
1921-LR
1921-LR
Manufacturer
Powertrax
Brand
PowerTrax
Model
1921-LR
Item Weight
7 pounds
Item model number
1921-LR
Exterior
Machined
Manufacturer Part Number
1921-LR
OEM Part Number
1921-LR
ASIN
B003JBVBD2
