Description
TYPE 30 LONG STROKE SERVICE CHAMBER
PART NUMBER(S):
Fleet Products: 3000SC-LS, 1431001
OE: 3000001, 53000001, MA36300
Automann: 179.SC30LS
DESCRIPTION:
Model: Type 30 Long Stroke Service Brake Chamber
Vehicles: Compatible with heavy-duty commercial vehicles requiring T30 long stroke chambers
• Chamber Size: Type 30 (T30)
• Stroke: 3.0" (76 mm) – Long Stroke
• Push Rod Length: 10" (255 mm)
• Push Rod Diameter: 5/8"-18 UNF (threaded)
• Push Rod Thread: 5/8"-18 UNF
• Port Size: 2 × 3/8"-18 NPTF
• Stud Size: 2 × 7/16"-14 UNC-2A
• Stud Height: 1.5"
• Stud Spacing (E): 4.75" (120.7 mm)
• Chamber Height (D): 4.75" (120 mm)
• Mounting Length (A): 3.7" (94 mm)
• Air Port Position (T): 90°
• Clampband Position (S1): 0°
• Housing: Steel pressure housing, powder coated, resistance-welded ports
• Diaphragm: High-quality rubber compound, flexible to -40°F
• Features:
• Orange Alert Stroke Indicator
• Self-piloting Dust Shield
• Flat bottom with 10-gauge steel
• Square ports and tag/cast-in long stroke identifier
Applications:
Engineered for long stroke air brake systems in commercial trucks, tractors, and trailers using Type 30 chambers. Supports extended pushrod travel to accommodate wider brake shoe clearance. Used in drive or trailer axle service positions to ensure FMVSS-121 compliance with 3.0" stroke performance.
CROSS-REFERENCE(S):
3000SC-LS, 3000SC, 3000001, 53000001, MA36300, GC3030L, GP3030L, LC3030L, LP3030L, 179.SC30LS, TSEHD30S-LS, TSE 3030LS, TSE HD3030LS, 288814, R870030L, E-30SL, MA36300LS, WA30SCLS, S-5630LS, 05-130LS, 030021LS, 30SCN1CLS, SC30LS, M-459LS, SC3000LS, EBC30SLS, 5396SC30LS, PLBSC-30LS, SBT30LS, APL-100030LS, BXK058730LS, MGM1430001LS, 2602425C91LS, 592962C91LS, 30SCN1CLS, ACA-0842-006LS, ACA-0842-6LS, FLTS30S30LS, KSC30LS, B3000SCLS, A3000SLS, E-BC30SLS, 1011900LS, 30SCN3, EBC30SEL, HD30SLS, HD30S-LS, 30SCN3-3413, 1431001, 460-1431001, C30L3, MGM1431001, 5554-1431001, WA30SC3, ZAJ1431001, 50866013, 8085327
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:
✔ Confirm 3.0" long stroke configuration per FMVSS-121 compliance
✔ Push rod length is 9.75"; verify fit with slack adjuster/clevis
✔ Thread: 5/8"-18 UNF; ensure compatibility during install
✔ Air port orientation is 90°; verify vehicle port routing
✔ Square ports and casting/tag must confirm long stroke compliance
✔ Use thread sealant on 3/8"-18 NPTF ports
✔ Torque mounting studs to 35–40 ft-lbs
✔ Air fitting torque: 18–20 ft-lbs
✔ Inspect and verify Orange Alert stroke indicator during setup
✔ Never reuse diaphragms during replacement
✔ Always pressure test system at 100 psi after install; free stroke must meet FMVSS 121 standards
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