Description
SB3030S25IT-LR - 30/30 LONG ROD INTRX SPRING BRAKE
PART NUMBER(S):
Fleet Products: SB3030S25IT-LR (New) | Replaces OE: Hendrickson Trailer S-24225-2, S242252, S-24225-3, S242253, S-24247-2, S242472, S-24247-5, S242475, S-32197, S32197 | MGM Brakes 3230551, 3230551X, 3230555 | Other 3030S25IT-LR, STD303025IT
DESCRIPTION:
Model: INTRX 30/30 Long Rod
Vehicles: Hendrickson Trailer and compatible commercial trailers
• Type: 30/30 spring brake chamber (standard stroke)
• Stroke: 2.5"
• Push Rod: 17.25" length (18" variant), 5/8"-18 UNF
• Ports: dual 3/8"-18 NPT (inline orientation)
• Mounting: 2-stud, 5/8"-11 UNC
• Stud Spacing: ~4.75"
• Chamber Height: 9.25"
• Sealed dual-diaphragm design (MGM INTRX)
• Epoxy-coated, corrosion-resistant housing
• Integral breather tube and release bolt
• Polymer push rod guides
• Stroke alert compatible, tamper-resistant
• High-cycle, severe-duty design
Applications:
Engineered for drive and trailer axles equipped with Hendrickson Intraax and Vantraax air suspensions. Ideal for severe-duty and high-cycle fleet operations requiring a long push rod 30/30 spring brake chamber with sealed INTRX design.
CROSS-REFERENCE(S):
SB3030S25IT, STD303025IT, SB3030S25IT-LR, 3030S25IT-LR, 3030INTRX25ITLR, 3431956, 170.3030S25ITLR, R955209, K121572, P3030INTRX25ITLR, 701077, KN31004, 90557161, 5050-3030INTRX25LR, 650-3030INTRX25LR, RA3030INTRX25LR, 7-3030INTRX25LR, S-3030INTRX25ITLR, SB3030INTRX25ITLR, 3230555, 3230051X, NT3030ELS80, 3030-TS, GC3030L, SB3030LTPX, R873030C, INT3030C-2, ZAJ3230051, 991071C, 55543431051, 85132758, 2830645, 4320030080, 3030100001, 179.SB3030SLX, FP3030LR, RF3030LR, CWBWHNT3030ELS80, UP3030LR, ABPN42A33030C3D, 3030-100, E3030LR, 3030-SLP
A 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 vehicle wheels securely before servicing brake system
✔ Fully depressurize air system prior to removal or installation
✔ Use OE clamp band or mount studs, torque to 35–40 ft-lbs (or per OEM)
✔ Route emergency and service lines correctly; confirm port alignment
✔ Push rod may require trimming or alignment depending on axle
✔ For Intraax/Vantraax applications, verify 25" rod length match
✔ Calibrate Stroke Alert system if present (e.g., MGM NP Kit #9015050)
✔ Verify chamber angle clearance—rotate clamp 90° if needed
✔ Test system for air leaks and confirm full actuation post-installation
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