PA801074ASA – GBK Automatic Slack Adjuster, 6″ Arm, 28-Spline, 1.5″ Diameter, Replaces Meritor R801074
Automatic slack adjuster, 6″ arm length, 28 splines, 1.5″ diameter. Cross Ref. Euclid 11402, Meritor R801074, R803112.
- Automatic Slack Adjuster: The GBK PA801074ASA features an automatic brake adjustment system that continuously maintains optimal brake clearance, enhancing brake performance and reducing the need for manual adjustments.
- Heavy-Duty Construction: Manufactured with high-strength materials, this slack adjuster is designed to endure the rigorous demands of commercial truck and trailer applications.
- Specifications: Equipped with a 6-inch arm length, 28 splines, and a 1.5-inch spline diameter, ensuring precise compatibility and reliable operation in heavy-duty braking systems.
- OEM Replacement Compatibility: Directly replaces Meritor R801074 and R803112 models and cross-references Euclid 11402, providing a seamless fit for commercial trucks and trailers.
- Wide Vehicle Compatibility: Ideal for semi trucks, heavy-duty vehicles, and trailers requiring a 28-spline automatic slack adjuster, making it a versatile choice for fleet maintenance.
- DOT Compliant Standards: Engineered to meet or exceed Department of Transportation (DOT) regulations, ensuring safety and reliability on the road.
- Packaging Information: Sold individually with secure packaging to protect the slack adjuster during transit and storage.
Product Specifications
| Product Type | Automatic Slack Adjuster |
|---|---|
| Length | 6" Arm |
Packaging & Delivery
Every GBK Parts order is packed with care. Pallet orders are tightly shrink-wrapped and strapped for safe freight transit. Select products also come in individual branded GBK USA retail boxes — ready for resale or direct customer delivery.
About GBK Parts
GBK Parts is a U.S.-based wholesale and retail distributor of heavy-duty commercial truck parts, headquartered in New Jersey. We specialize in brake components, axle parts, and drivetrain hardware for Class 6–8 trucks, trailers, and commercial vehicles.
We source directly from certified OEM-grade manufacturers and maintain a large inventory in our New Jersey warehouse, enabling fast fulfillment for both retail and wholesale customers across the United States.
Why Choose GBK Parts?
- Direct Wholesale Pricing — Competitive pricing with volume discounts for approved B2B accounts.
- OEM-Grade Quality — All parts meet or exceed OEM specifications. Brake components are FMSI-coded and tested to FMVSS standards.
- Fast Shipping — Same-day or next-day shipping on in-stock items. Free UPS Ground shipping on orders over $5,000 to NJ, NY, PA, OH, and MN.
- Catalog-Based Production — Extensive product catalog covering a wide range of heavy-duty truck and trailer parts, available to order.
- NET 15 Terms — Approved wholesale accounts are eligible for NET 15 payment terms.

