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Tailored for North American commercial truck and trailer fleets running Q-style foundation drum brakes, the 1308Q Repair Kit delivers a comprehensive single-wheel overhaul hardware package. Purpose-built to service standard 1308Q brake shoes, this kit includes heat-treated dual-spring return setups, quick-change anchor pin retainers, precision-machined roller assemblies, and anti-friction bushings. Replacing fatigued wheel-end hardware with this single-SKU bundle prevents shoe chattering, stops uneven lining drag, and accelerates routine shop maintenance turnaround.
Severe thermal cycling, heavy gross vehicle payloads, and continuous highway vibration inevitably lead to hardware fatigue across commercial wheel-ends. Weakened return springs and grooved rollers prevent smooth camshaft rotation, triggering dragging shoes, premature lining taper, and hazardous drum micro-cracking.Our 1308Q Repair Kit provides OEM-grade dimensional accuracy and structural durability engineered specifically for North American long-haul and regional distribution fleets.
Fatigue-Resistant Spring Metallurgy & Hardened Components
Fabricated from high-tensile alloy spring steel, every return and retaining spring in the kit undergoes computer-controlled oil quenching and tempering. This process ensures consistent retraction elasticity and prevents sagging under friction temperatures exceeding 750°F (400°C). Pivot pins and rollers feature induction-hardened wear zones to eliminate cam grooving and ensure frictionless roller-to-camshaft tracking under 20,000 to 23,000 lbs GAWR ratings.
Heavy-Duty Corrosion Protection & Rapid Overhaul Efficiency
All steel components receive an electrostatic zinc-dichromate or heavy phosphate anti-corrosive coating, establishing a robust protective shield against highway calcium chloride, road salt, and harsh winter chemicals. Bundling all matched springs, pins, rollers, and clips into a complete kit allows fleet technicians to service 1308Q shoes in one fast operation, restoring factory-fresh brake balance and maintaining FMVSS-121 compliance.
Key Features & Specifications
Frequently Asked Questions (FAQ)
Q1: Which brake shoes are compatible with this 1308Q Repair Kit?
A: This kit is engineered specifically for North American commercial drum brake assemblies utilizing standard 1308Q foundation brake shoes.
Q2: What is the primary difference between a 1308Q Repair Kit and a 1308E kit?
A: The difference centers on foundation hardware design: 1308Q is tailored for Meritor/Q-style quick-change dual-anchor configurations, whereas 1308E utilizes Eaton-style single-anchor pin hardware and return springs.
Q3: Why should hardware be replaced during every 1308Q shoe change?
A: Operating heat permanently degrades spring tension and flattens roller surfaces. Reusing old hardware leads to incomplete shoe retraction, continuous brake drag, drum glazing, and uneven lining taper.
Q4: How does this hardware kit hold up against winter de-icing chemicals?
A: All components feature a protective zinc-dichromate or phosphate treatment that passes rigorous salt-spray testing, resisting corrosion from calcium chloride, road brine, and continuous moisture.
Q5: Are private labeling and palletized export packaging supported?
A: Yes. We provide custom polybag branding, private-label box packaging, and palletized bulk shipments for North American warehouse distributors and fleet parts suppliers.
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