Description
PB3030S250K - TYPE 30 STD PIGGYBACK KIT W/CLAMP & DIAPHRAGM
PART NUMBER(S):
Fleet Products: PB3030S250K | OE: 3030PB, 3030S250K, 3230001 | Automann: 170.PB3030S250K
DESCRIPTION:
Model: Type 30 Standard Stroke Piggyback Kit
Vehicles: Freightliner, Kenworth, Peterbilt, International, Mack, Volvo, Western Star, and compatible commercial trailers
• Chamber Size: 30/30 (Type 30 spring and service)
• Stroke: 2.5" standard stroke
• Push Rod Length: Typically 8" (confirm with application)
• Port Type: 3/8"-18 NPT (service & emergency ports)
• Chamber Height: Approx. 8.2"
• Mounting Style: Clamp band
• Housing Material: Epoxy-coated reinforced steel; corrosion-resistant
• Included Components: Type 30 diaphragm, clevis-ready push rod, hardware, clamp
• System Design: Dual-diaphragm sealed spring chamber; FMVSS-121 & SAE J1469 compliant
• Technology: Positive alignment spring retainer, double O-ring seal, integrated stroke indicator
Applications:
Designed for quick field replacement of spring side of 30/30 brake chambers on drive and trailer axles using clamp-band mounting. Ensures OEM-equivalent performance and reliability in standard-stroke configurations. For use in general heavy-duty air brake systems requiring Type 30 piggyback units.
CROSS-REFERENCE(S):
PB3030S250K, 3030PB, 3030S250K, 3230001, 3230002, K121097, 5003585, K121098, R9553030, S3030PB, A3215L1241, S3030S250K, E11796PB, 170.PB3030S250K, UP3030PB, UP3030S250K, NT3030PB, GC3030PB, 3030STD-KIT, 5007610, NT3030STD-KIT, GP3030K, LP3030K, MA15435, MA15444, 3430008X, 3430008, SB3030PKC, ABPN42A30PBK3D, ZAJ3430008, TR3030PBK, FR-BRKE214A 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 and exhaust system air pressure before servicing
✔ Use spring brake caging tool during removal and installation
✔ Align ports correctly; verify 3/8" NPT compatibility
✔ Mount with original clamp and torque to 35–40 ft-lbs
✔ Ensure push rod length and stroke match original chamber
✔ Use all supplied hardware for proper sealing and fitment
✔ Test system for leaks and functional operation post-install
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Warranty Information
