Description
SB3030S2500 - 30/30 STD SPRING BRAKE
PART NUMBER(S):
Fleet Products: SB3030S2500 | OE: 1010447, 1010449, S2500 | Automann: 170.3030S2500
DESCRIPTION:
Model: 30/30 Standard Stroke Spring Brake Chamber
Vehicles: Freightliner, Kenworth T660, Peterbilt 379, Volvo VNL 670 Gen 2 (2003–2019), and other heavy-duty trucks/trailers
• Chamber Size: 30/30 (30 sq. in. service, 30 sq. in. emergency)
• Stroke: 2.5" standard stroke
• Push Rod Length: 10.55"
• Push Rod Diameter: 5/8"-18 UNF
• Chamber Height: 9.25"
• Mounting: 2 x Stud, 5/8"-11 UNC, 1.65" stud height
• Stud Spacing: Approx. 4.75"
• Ports: 3/8"-18 NPT (service and emergency)
• Construction: Corrosion-resistant steel with epoxy coating
• Fan/Seal: Sealed spring chamber design for environmental protection
• Compliance: Meets FMVSS-121 and SAE J1469 standards
• System Design: Dual-diaphragm for service and emergency brake operation
• Durability: OEM-grade reliability, high cycle life, designed for severe environments
• Technology: Internal contamination barriers to extend service life
• Compatibility: Fits multiple OE and aftermarket systems across North America
• Availability: Standard and long-stroke variants available (confirm part number)
Applications:
Built for drive and trailer axles on commercial trucks requiring 30/30 standard stroke spring brake chambers. Common across freight haulers, vocational trucks, and fleets needing sealed, weather-resistant emergency/parking brakes. Direct drop-in replacement for OEM chambers including Bendix, Haldex, and Mack part numbers.
CROSS-REFERENCE(S):
SB3030S2500, 3030S2500, S2500, 1010447, 1010449, 30/30, 3030STD, GC3030, LC3030, NT3030STD, S3030, S3030STD, 801386, 800386, E-11796, UP3030S2500, 179.SB3030S, NT3030STD78, 3431951, 3431951X, 3030TN2-2074, 165255, K049898, NT3030STD120, NT3030STD-120, 3030TS, GC3030P40, 19QE441RP1A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Block wheels securely before removing brake chamber
✔ Depressurize air brake system prior to installation
✔ Use correct clamp band or stud mount based on axle type
✔ Torque mounting hardware to 35–40 ft-lbs unless OE specifies otherwise
✔ Ensure proper routing of service/emergency ports
✔ Set push rod length according to axle/brake specifications
✔ Leak test system after install and check for full chamber stroke
✔ Verify stroke type, mounting dimensions, and OE fitment before ordering
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