AAPEX 2026 Meet GBK Parts at AAPEX 2026 — Booth #V1973, Nov 3–5, The Venetian Expo & Caesars Forum, Las Vegas, NV. Book a meeting →

Free Shipping on Orders $89+

PAT-30 GBK Type 3030 Spring Brake Chamber, 3″ Long Stroke, with Clevis

SKU PAT-30
Cross Ref PAT-30, Bendix 800826, Bendix 5007121N, Haldex SC30, Haldex 3000001, Haldex 53000001, Meritor E-BC30S, MGM MA36300, MGM 1431001, Automann 179.SC30
$35.00

Brake Chamber T30 with
clevis 2.5” stroke,with long
PUSH ROD11.2”
,LONG
CLEVIS,TWO HOLES

In Stock: 50

Ships in 1 Business Day In-stock orders ship same or next business day from our NJ warehouse
Free Local Pickup Available Pick up at our New Jersey warehouse — no shipping cost

Cross-Reference — This Part Replaces

GBK PAT-30 is a direct replacement for the following OEM and aftermarket part numbers:

BrandPart Number
Aftermarket Ref. PAT-30
Bendix 800826
Bendix 5007121N
Haldex SC30
Haldex 3000001
Haldex 53000001
Meritor E-BC30S
MGM MA36300
MGM 1431001
Automann 179.SC30
Bendix 2031830
Haldex GC3030
Meritor (Eaton) E10097
MGM TR3030
Aftermarket Ref. OTR3030S
TSE 4023007

Product Specifications

Stroke 2.5" Standard
Push Rod Length 8.5"
Material Black Powder-Coated Steel
Clevis Clevis with Two Pin Holes
Mounting Holes 2
Bolt Spacing 4.75"
Push Rod Thread 5/8"-18 UNF
Stud Thread 5/8"-11 UNC
Air Port 3/8" NPT
Net Weight 37.48 lbs
Gross Weight 39.68 lbs

Packaging: Sold per piece. Packed 4 pieces per box. 50 pcs/pallet.

  • Universal Fit: Type 30 service brake chamber for S-Cam air brake systems. Class 8 semi trucks and trailers.
  • 2.5" Standard Stroke: Meets FMCSA and DOT brake performance requirements for S-Cam drum brake applications.
  • 8.5" Threaded Push Rod: 8.5" threaded push rod (5/8"-18 UNF) and clevis with two pin holes.
  • Cross Reference Models: Replaces Bendix 800826, Bendix 5007121N, Haldex SC30, Haldex 3000001/53000001, Meritor E-BC30S, MGM MA36300, MGM 1431001, Automann 179.SC30.
  • Heavy-Duty Construction: Reinforced steel housing and premium diaphragm. 4.75" bolt centers (5/8"-11 UNC), 3/8" NPT air ports.

Technical Specifications: Type: T30 Service Chamber | Stroke: 2.5" Standard | Push Rod: 8.5" Threaded (5/8"-18 UNF) | Mounting Studs: 5/8"-11 UNC, 4.75" bolt spacing | Air Port: 3/8" NPT x 2