Wilwood 120-10938-RD Brake Caliper
Wilwood 120-10938-RD Brake Caliper
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Wilwood 120-10938-RD No Supplier Warranty
D52 calipers mount in the stock location over stock rotors, use the original style OE D52 brake pads and an OE 7/16-20 banjo bolt brake line. Calipers can be used with most wheels that clear the OE calipers. The rear calipers with 1-1/4 Inch piston provide 2.46 Cubic Inch of piston area per caliper, to maintain the original front to rear brake bias and use of the OE master cylinder. D52 Calipers come hardened slide pins. The Wilwood D52 caliper is a direct bolt-on 2 piston replacement for the factory original single calipers on many 1968 to 96 GM Passenger Vehicles and Trucks. Forged billet aluminum bodies, stainless steel pistons, and competition style high-temperature seals put an end to the rust, bore pitting, and seal failures that plague the OE caliper design.
Features & Benefits
- Direct bolt-on 2 piston replacement for the factory original single calipers
- Provide low-maintenance performance and a huge weight savings with high temperature reliability for the street and track
- Front calipers with 2 inch piston provides 6.28 cubic inch of piston area per caliper, to maintain the original front to rear brake bias and use of the oe master cylinder
- Designed using computer generated 3d modeling and fea stress analysis technology
- Features a stress-flow forged billet aluminum body that provides a substantial weight savings over the original cast iron caliper, without any of the rust and corrosion issues
- No Supplier Warranty
Specifications
| Model | No Supplier Warranty |
| Color | Red |
| Weight | 5.5 lb |
| Dimensions | 8.88 x 5.88 x 4 in |
| Brand | Wilwood |
| Manufacturer Part Number | 120-10938-RD |
| UPC | 889545001112 |
Recommended Items
Commonly ordered accessories for this product:
| Item | Brand | Manufacturer Part Number | Description |
|---|---|---|---|
| Brake Bleeder KIT | Perform Tool | W80625 | Brake bleeder kit |
| Vacuum Pump KIT | Perform Tool | W89727 | Vacuum pump kit |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number 120-10938-RD against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
What color is this auto part?
This is the Red variant of the No Supplier Warranty from Wilwood.
How much does this product weigh?
This item weighs approximately 5.50 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

