Air Brake Chamber Type 30/30, 3" Long Stroke Tandem with 15" Rod Universal Push Rod Includes Clevis & Hardware Replaces Bendix NT3030ELS-80 Freightliner ABP N42A 23030C3D/3LR3030CD/S-17204 (2-Pack)

"Short Summary: The National Drivetrain NTD-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 Features Type: 30/30 Combination Spring Brake Chamber Stroke: 3"" Long Stroke – Designed for greater braking control and performance Rod Length: 15"" push rod (11.75"" exposed), .625 x 18"" diameter Construction: 11-gauge reinforced steel housing, high-strength clamp bands, epoxy-coated power spring, and aluminum adapter Environmental Coating: Black E-Coated housing offers zinc-equivalent corrosion resistance without harmful plating chemicals Extras: Includes hardware kit and clevis S-9137; universal push rod with stroke indicator Port & Mount: Square air port with 0.375"" thread; 4.75"" mounting bolt spacing Warranty: Backed by a 1-Year / 100,000-Mile limited warranty Replaces OEM & Aftermarket Part Numbers Automann: 179.SB3030SL OE: 3030-TSLS, 3030-TSLSDTP, 3030TSLSDTP, TKL3030ELS, XX3030TSLS Freightliner: ABP N42A 23030C3D, ABPN42A3LR3030CD Bendix: NT3030ELS-80 Haldex: SB3030SL Genuine Newstar: S-17204, S17204, XX-3030-TSLS World American: WA3030LS, WA3030TL90 Warranty & Quality Assurance National 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."

• 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.