---
product_id: 88142619
title: "Air Brake Chamber Type 30/30, 3\" Long Stroke Tandem with 15\" Rod, Universal Push Rod Includes Clevis & Hardware - Replaces For Bendix NT3030ELS80, Freightliner ABP N42A 23030C3D, Newstar S-17204"
brand: "national drivetrain"
price: "981.42 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "National Drivetrain"
url: https://www.desertcart.tn/products/88142619-air-brake-chamber-type-30-30-3-long-stroke-tandem
store_origin: TN
region: Tunisia
---

# 15" rod with universal push rod & clevis 3" long stroke for extended brake power 11-gauge steel housing with epoxy-coated spring Air Brake Chamber Type 30/30, 3" Long Stroke Tandem with 15" Rod, Universal Push Rod Includes Clevis & Hardware - Replaces For Bendix NT3030ELS80, Freightliner ABP N42A 23030C3D, Newstar S-17204

**Brand:** national drivetrain
**Price:** 981.42 DT
**Availability:** ✅ In Stock

## Summary

> 🚛 Power your fleet with precision and durability — never compromise on safety!

## Quick Answers

- **What is this?** Air Brake Chamber Type 30/30, 3" Long Stroke Tandem with 15" Rod, Universal Push Rod Includes Clevis & Hardware - Replaces For Bendix NT3030ELS80, Freightliner ABP N42A 23030C3D, Newstar S-17204 by national drivetrain
- **How much does it cost?** 981.42 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/88142619-air-brake-chamber-type-30-30-3-long-stroke-tandem)

## Best For

- national drivetrain enthusiasts

## Why This Product

- Trusted national drivetrain brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Maintenance Design:** Wide clamp bands simplify diaphragm replacement and service.
- • **Extended 3" Long Stroke:** Delivers superior emergency braking force for tandem axles.
- • **Durable 11-Gauge Steel Housing:** Reinforced non-pressure housing resists wear and corrosion for long-lasting performance.
- • **Eco-Friendly & Warranty Backed:** Black E-coated steel housing resists corrosion without harmful chemicals, backed by 1-Year/100,000-Mile warranty.
- • **Universal Fit & Hardware Included:** Comes with clevis, S-9137 hardware, and push rod with stroke indicator for precise installation.

## Overview

The National Drivetrain Air Brake Chamber Type 30/30 features a robust 3" long stroke tandem design with a 15" rod and universal push rod, including clevis and hardware for seamless installation. Built with reinforced 11-gauge steel and an epoxy-coated power spring, it offers exceptional corrosion resistance and durability. Designed for commercial vehicles requiring reliable emergency braking, it simplifies maintenance with wide clamp bands and is backed by a 1-Year/100,000-Mile warranty for peace of mind.

## Description

Short Summary The National Drivetrain WA3030TL is a premium 30/30 type long stroke spring brake chamber engineered for durability, safety, and ease of service. Designed for heavy-duty tandem axle trucks and trailers, it features a 3" stroke, 15" push rod, and clevis-equipped universal fit.Key FeaturesType 30/30 Combination Spring Brake ChamberStroke 3" Long Stroke – Designed for greater braking control and performanceRod Length 15" push rod (11.75" exposed), .625 x 18" diameterConstruction 11-gauge reinforced steel housing, high-strength clamp bands, epoxy-coated power spring, and aluminum adapterEnvironmental Coating Black E-Coated housing offers zinc-equivalent corrosion resistance without harmful plating chemicalsExtras Includes hardware kit and clevis S-9137; universal push rod with stroke indicatorPort & Mount Square air port with 0.375" thread; 4.75" mounting bolt spacingWarranty Backed by a 1-Year / 100,000-Mile limited warrantyReplaces For OEM & Aftermarket Part NumbersAutomann 179.SB3030SLOE 3030-TSLS, 3030-TSLSDTP, 3030TSLSDTP, TKL3030ELS, XX3030TSLSFreightliner ABP N42A 23030C3D, ABPN42A3LR3030CDBendix NT3030ELS-80Haldex SB3030SLGenuine Newstar S-17204, S17204, XX-3030-TSLSWorld American WA3030LS, WA3030TL90Warranty & Quality AssuranceNational Drivetrain chambers are built to meet demanding fleet standards. With premium materials, universal compatibility, and a 1-Year / 100,000-Mile warranty, WA3030TL delivers value and reliability mile after mile.

Review: Good part, good price! - Good quality and great price! Inventory for my service truck. Shipping seems to be a gamble with any brake chamber. Never know if it'll be complete or missing all the hardware. So far it's worth the gamble because I don't return, I just replace whatever is missing.
Review: great price - perfect just what we ordered with a great price.

## Features

- Heavy-duty Type 30/30 spring brake chamber with 3" long stroke design; perfect for tandem axle applications requiring extended durability and reliable emergency brake power.
- Includes clevis and S-9137 hardware, universal push rod with stroke indicator, and a 15” rod length to ensure precise installation and stroke alignment across multiple commercial vehicle platforms.
- Built with reinforced 11-gauge steel non-pressure housing, high-strength steel clamp bands, lightweight aluminum adapter housing, and epoxy-coated power spring for lasting corrosion resistance.
- Features square air port, .375” thread diameter, 4.75” bolt center-to-center, and .625” x 18” push rod spec; wide clamp bands simplify diaphragm Replacement and service maintenance.
- Environmentally friendly black E-coated steel housing resists corrosion like zinc plating but avoids harmful carcinogens—covered by a 1-Year / 100,000-Mile warranty for peace of mind.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | National Drivetrain |
| Brand | National Drivetrain |
| Item Weight | 21 pounds |
| Item model number | National Drivetrain WA3030TL |
| Manufacturer Part Number | WA3030TL |

## Images

![Air Brake Chamber Type 30/30, 3" Long Stroke Tandem with 15" Rod, Universal Push Rod Includes Clevis & Hardware - Replaces For Bendix NT3030ELS80, Freightliner ABP N42A 23030C3D, Newstar S-17204 - Image 1](https://m.media-amazon.com/images/I/414T3emzLZL.jpg)

## Questions & Answers

**Q: Is the Clevis included?  If so what is the pin size?**
A: The ones I have gotten do come with a single pin Clevis and I believe the pin is 1/2 dia.

**Q: American made**
A: They are not. The manufacture is based in Chicago but these are made over seas.
 Thank you

**Q: This fit on kenworth t 680 2015**
A: Yes it should fit on any kenworth, peterbilt, or freightliner as well as Volvo and many other air brake applications.

**Q: Does this fit a 2003 freightliner century?**
A: I put these type brake chambers on my two freightliner school busses and they also fit on four of our semis as well
As the trailers

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good part, good price!
*by M***L on April 23, 2025*

Good quality and great price! Inventory for my service truck. Shipping seems to be a gamble with any brake chamber. Never know if it'll be complete or missing all the hardware. So far it's worth the gamble because I don't return, I just replace whatever is missing.

### ⭐⭐⭐⭐⭐ great price
*by A***R on April 4, 2025*

perfect just what we ordered with a great price.

### ⭐⭐⭐⭐⭐ Best Price Around
*by K***S on April 24, 2023*

My husband works on road tractors for a living, so he is always installing brake chambers. We order them through Amazon and keep them in stock, because all the parts stores charge an arm and a leg for the same quality chamber.

## Frequently Bought Together

- AIR BRAKE CHAMBER 30/30 - SEALED - 3" LONG STROKE (SQUARE CAST AIR PORT BOSSES)
- Torque 2 Pack of Type 30/30 Air Brake Chamber Sealed 2.5" Stroke Fully Threaded for semi Truck Trailer (Replaces Bendix 165255 K049898 NT3030STD120 802547 Haldex GC3030 GC3030P40 3030TS) (TR3030C)
- World American WA289714 Relay Valve

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**Shop now:** [https://www.desertcart.tn/products/88142619-air-brake-chamber-type-30-30-3-long-stroke-tandem](https://www.desertcart.tn/products/88142619-air-brake-chamber-type-30-30-3-long-stroke-tandem)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-30*