Description
PB3030S300K - TYPE 30 LONG STROKE PIGGYBACK KIT W/CLAMP & DIAPHRAGM
PART NUMBER(S):
Fleet Products: PB3030S300K (New) | Replaces OE: Automann 179.FGPB3030SL | Bendix NT3030ELSKIT, NT3030ELS-KIT | Haldex GP3030LK, LP3030L | MGM Brakes 3230008, 3230008X | Globetech GTA-BC3030PLSK, GTABC3030PLSK | Other 3430008, NT3030ELSKIT, GP3030LK, 3030GPSKL
DESCRIPTION:
Model: Type 30 Long Stroke Piggyback Kit
Vehicles: Freightliner, Kenworth, Peterbilt, International, Mack, Volvo, Western Star, and compatible trailers
• Type: 30/30 long stroke spring brake chamber
• Stroke: 3.0"
• Push Rod: ~8" length, 5/8"-18 UNF
• Ports: dual 3/8"-18 NPT
• Mounting: clamp band
• Chamber Height: ~8.5"
• Housing: epoxy-coated steel (corrosion-resistant)
• Sealed dual-diaphragm design
• Includes diaphragm, push rod, clamp, hardware
• Cold-weather rated diaphragm (-40°C)
• Stroke indicator included
Applications:
Built for use in drive and trailer axle air brake systems on heavy-duty commercial vehicles requiring long-stroke chambers. Designed to replace the spring side of 30/30 brake assemblies while increasing chamber travel for improved brake force at slack adjuster limits.
CROSS-REFERENCE(S):
PB3030S300K, 3430008, 3230008, NT3030ELSKIT, GP3030LK, ANLGP3030LK, 3030PBKLS, 3030PBKLS, 3030PBL, BPS3030KLS, OTR3030PBKLS, 3030PBKLS, ABPN42A30PBK3D, SB83030, 3030SN3K, UP3030PBKLS, FLTK3030LB24
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 wheels and fully exhaust air pressure before service
✔ Use caging tool to compress spring before removal
✔ Reuse original clamp or install included band with proper torque (35–40 ft-lbs typical)
✔ Verify push rod length and chamber alignment during install
✔ Confirm port orientation and 3/8" NPT thread match
✔ Test brake system for air leaks and stroke compliance post-install
✔ Cold-rated diaphragm (-40°F) must be oriented properly
✔ Follow OEM torque and fitment guidelines
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Warranty Information
