--- product_id: 474208664 title: "Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031" brand: "ajantech" price: "$111.25" currency: USD in_stock: true reviews_count: 8 category: "Ajantech" url: https://www.desertcart.us/products/474208664-brake-master-cylinder-compatible-for-1999-2000-2001-2002-gmc store_origin: US region: United States of America --- # EPDM rubber for long-lasting seal 100% new aluminum body IATF 16949 certified safety Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 **Brand:** ajantech **Price:** $111.25 **Availability:** ✅ In Stock ## Summary > 🚗 Upgrade Your Ride with Confidence — Stop Safe, Drive Smart! ## Quick Answers - **What is this?** Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 by ajantech - **How much does it cost?** $111.25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/474208664-brake-master-cylinder-compatible-for-1999-2000-2001-2002-gmc) ## Best For - ajantech enthusiasts ## Why This Product - Trusted ajantech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Safety You Can Trust:** Manufactured under strict SAE standards and IATF 16949 certification for uncompromised reliability. - • **Plug-and-Play OEM Compatibility:** Seamlessly replaces Dorman M630031 and fits top GMC, Chevrolet, Cadillac models from ’99-’02. - • **Factory-Tested Quality Assurance:** Each unit undergoes rigorous FANUC equipment testing to guarantee safety and performance before shipment. - • **Durability That Goes the Distance:** Advanced sealing materials and wear-resistant design extend service life, saving you time and money. - • **Precision Engineered for Peak Performance:** Crafted with premium aluminum and EPDM rubber to ensure flawless braking every time. ## Overview The Ajantech Brake Master Cylinder is a direct OEM replacement for popular GMC, Chevrolet, and Cadillac models from 1999 to 2002. Constructed with a robust aluminum body, EPDM rubber seals, and certified to IATF 16949 and SAE standards, it delivers reliable, long-lasting braking performance. Factory-tested for quality and engineered for perfect fitment, this master cylinder ensures your vehicle’s brake system operates safely and efficiently. ## Description Buy Ajantech Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031: Primary Cylinders - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great product - Great product works well as it should Review: Works as it should! - Works like a charm. Price was good. ## Features - 【Material】 The cylinder body is made of aluminum, the oil cup is made of Pp, and the rubber is made of EPDM, which has good sealing and wear resistance, and prolongs the service life of the product - 【Quality】 Using FANUC equipment, the products pass professional quality testing instruments before leaving the factory to ensure the safety and quality of the products - 【Advantages】 The brake cylinder is completely made of new materials and retains the structure of the original product to ensure the performance of the product - 【Certification】Products are produced in accordance with industry Sae standards and certified by IATF 16949 - 【Service】In order to save your time and money, if you have any questions about the product, please contact us ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B611QNYL | | Best Sellers Rank | #266,989 in Automotive ( See Top 100 in Automotive ) #23 in Automobile Brake Primary Cylinders | | Brand | Ajantech | | Customer Reviews | 4.2 4.2 out of 5 stars (105) | | Date First Available | July 7, 2022 | | Item Weight | 2.33 pounds | | Item model number | M630031 | | Manufacturer | ajantech | | Manufacturer Part Number | ajan1606L | | OEM Part Number | M630031,18040252, 18048538, 18060789, 19209249 | | Package Dimensions | 8.39 x 7.87 x 4.72 inches | ## Images ![Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 - Image 1](https://m.media-amazon.com/images/I/51XjB0l5xeL.jpg) ![Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 - Image 2](https://m.media-amazon.com/images/I/811pFB92yGL.jpg) ![Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 - Image 3](https://m.media-amazon.com/images/I/61fKZ4dl-kL.jpg) ![Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 - Image 4](https://m.media-amazon.com/images/I/51CcVrQRa-L.jpg) ![Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 - Image 5](https://m.media-amazon.com/images/I/51ATFsrIkuL.jpg) ## Questions & Answers **Q: Does it fit my 2002trailblazet lt?** A: The best way to find out is to add your vehicle in your Amazon account and it will verify if the part fits your vehicle. I bought this for my 2002 Yukon, good luck. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by M***R on January 1, 2026* Great product works well as it should ### ⭐⭐⭐⭐⭐ Works as it should! *by R***N on September 10, 2025* Works like a charm. Price was good. ### ⭐ Buyer beware *by J***S on January 25, 2026* Seem to work good 6 months after I bought it , it started to leak , now it's junk all it does is leaking fluid out now ## Frequently Bought Together - Ajantech Brake Master Cylinder Compatible for 1999 2000 2001 2002 GMC Sierra Yukon Chevrolet Silverado Suburban Tahoe Avalanche Blazer Cadillac Escalade Replace for Dorman M630031 - Dorman 13911 Master Cylinder Bleeder Kit - 22 In. Hose, Clip, And Sae And Metric Fittings Universal Fit - AGS BLF-23C Brake Line Fitting --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/474208664-brake-master-cylinder-compatible-for-1999-2000-2001-2002-gmc](https://www.desertcart.us/products/474208664-brake-master-cylinder-compatible-for-1999-2000-2001-2002-gmc) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-06*