Slack Adjuster on Truck – Manual Brake Adjustment Solution for Heavy-Duty Vehicles

Premium Slack Adjuster on Truck (OEM 23202931157/KN44042) – 19-teeth manual brake adjuster for heavy-duty vehicles. Forged steel construction. ISO/TS16949 certified.

Basic Info.

• Model NO. 23202931157
• Type: Brake System
• Material: Forged steel
• Position: Front
• Certification: ISO/TS16949, ISO13485
• Classification: Drum
• Drum Brakes Classification: Brake Drum
• Main Market: South America, North America, Eastern Europe, Mild East, Southeast Asia, Africa, Western Europe, Eastern Asia, Northern Europe, Oceania, Southern Europe, Central America, South Asia, Domestic Market
• Quality: 100% Test
• OEM No. 23202931157
• MOQ: 50 PCS
• Color Available: Color Available
• Package: Neutral Packaging or Brand Box
• Teeth: 19
• Usage: Manual
• Color: Golden & Black
• Transport Package: Carton Packaging
• Specification: 1 Holes 19 Teeth
• Origin: China
• HS Code: 87083099
• Production Capacity: 50000 pieces/Year

Product Description of Slack Adjuster on Truck

Brake Part-Truck & Trailer Manual Slack Adjuster with OEM Standard (KN44042)

Original No. 23202931157

1. The manual slack adjuster is used for heavy duty truck and trailer.
2. The conventional color is zinc plated.
3. We can produce great many kinds of manual slack adjusters according to customer’s requirments.

Photos Show of Slack Adjuster on Truck

Except the above item, we can also provide following items:

CROSS REF.

E-9102                                KN55001
283411       E-1574            KN44041
278010       E-1063HD      KN47081
278321       E-940              KN47011
278302       E-4904            KN48031
278303       E-939              KN48001
286965                                KN44051
287899       E-2459HD      KN44061
278305       E-539              KN48002
288282       E-2458            KN44071
KN44042

Why Choose Our Slack Adjuster on Truck (OEM: 23202931157/KN44042)?

With extensive manufacturing expertise in heavy-duty brake components, we deliver premium slack adjuster on truck solutions that ensure reliability and safety for commercial vehicles. Our manual brake adjuster is engineered to meet the rigorous demands of transportation professionals worldwide. Here’s why our product stands out:

1. Superior Forged Steel Construction: Manufactured from high-grade forged steel, our slack adjuster on truck offers exceptional durability and strength. This robust construction ensures reliable performance under extreme conditions, providing extended service life and excellent resistance to wear and impact.

2. Precision Engineering: Featuring a precise 19-teeth spline design, this manual adjuster guarantees accurate brake adjustment and perfect compatibility with various heavy-duty truck braking systems. The precision machining ensures smooth operation and consistent performance.

3. Quality Certified Excellence: Every slack adjuster on truck undergoes 100% testing and is manufactured under ISO/TS 16949 certification, ensuring compliance with the highest international standards for automotive quality and safety performance.

4. Global Compatibility: Designed as exact replacements for OEM numbers 23202931157 and KN44042, our adjusters are trusted in markets across North America, South America, Europe, Asia, and beyond. They meet diverse regional requirements and vehicle specifications.

5. Proven Reliability: With a production capacity of 50,000 pieces annually and comprehensive quality control measures, we ensure consistent performance and durability in every unit we produce.

Professional Installation and Maintenance Guide

Safety First Protocol:

• Park on level ground and securely chock all wheels

• Engage parking brakes and depressurize air systems completely

• Wear appropriate personal protective equipment

• Allow brake system to cool before beginning work

Installation Procedure:

1. Component Preparation:

• Thoroughly clean brake camshaft splines

• Inspect for wear, damage, or corrosion

• Replace any compromised components before installation

2. Precise Installation:

• Carefully align the 19-teeth spline with camshaft

• Slide adjuster onto shaft until fully seated

• Tighten clamp bolt to manufacturer’s specified torque

3. Linkage Connection:

• Connect brake chamber pushrod to clevis

• Ensure proper alignment and smooth operation

• Secure with new cotter pins for safety

Adjustment Procedure:

1. Initial Inspection:

• Check current brake clearance

• Identify need for adjustment

• Prepare appropriate adjustment tools

2. Precise Adjustment:

• Turn adjustment mechanism clockwise to decrease clearance

• Make small, incremental adjustments

• Avoid over-tightening to prevent brake drag

3. Performance Verification:

• Check brake drum rotation freedom

• Verify proper clearance specifications

• Ensure complete brake release without dragging

Maintenance Best Practices:

• Regular inspection every 25,000 miles or 3 months

• Proper lubrication of moving components

• Periodic adjustment verification

• Immediate replacement of worn parts

• Maintain detailed service records

Performance Advantages:

• Consistent braking performance

• Reduced maintenance requirements

• Extended brake system life

• Enhanced vehicle safety

• Reliable operation in all conditions

Professional Recommendation: Always consult the vehicle manufacturer’s service manual for specific adjustment procedures and torque specifications. Proper maintenance of your slack adjuster on truck is essential for optimal braking performance and overall vehicle safety.

FAQ

Q: Are you trading company or factory?
A: We are the manufacturer.

Q: What’s the MOQ for each item?
A: Usually the MOQ is 100pcs for each type. If color box is requested, the MOQ is 200pcs.

Q: What about the delivery time?
A: It’s about 1 to 5 days for the goods have in stock, 15 to 30 days for the goods need to be manufactured based on your order.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.

Q: What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q: What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Final Call to Action (CTA)

📞 Contact us now for bulk orders (MOQ 50 PCS) and competitive pricing!
🌍 Ships globally – Serving North America, Europe, Africa, Asia, and more.
🛠️ OEM & Custom Solutions Available – Tailored to your requirements.
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This Slack Adjuster isn’t just a part—it’s a critical safety upgrade for any heavy-duty braking system. Get yours today!