Description
FP234226 – TYPE 12 DIAPHRAGM
PART NUMBER(S):
PART NUMBER(S): Fleet Products: FP234226 (New) | Replaces OE: Bendix 234226, 802486, 234226N | Automann 179.DT12, 179DT12 | Dayton 12-40012, 05012, 1240012 | Euclid E8889 | Haldex DP12, 18120 | Meritor 2797C1043, 2797D56 | Midland N20168 | Tectran 15112 | Anchorlok 1262001, 44M009 | BWP M461 | Black Max 12 | MGM Brakes 8017112 | Power Equipment -PDC T12 | Provincial Whse -CAN M461 | TMR T1024 | TSE 100120 | Tramec 53012 | Velvac 031023 | Wagner 928012
DESCRIPTION:
Model: Type 12 Air Brake Chamber Diaphragm
Vehicles: Commercial trucks, trailers, and equipment using Type 12 brake chambers
• Application: Type 12 air brake chambers
• Compatibility: Interchangeable with standard rubber and neoprene diaphragms
• Stroke: 1.75 in (44 mm)
• Diameter: 5.500 in
• Height: 1.295 in
• Material: Rubber/neoprene blend
• Construction: Fabric reinforced
• Operating Temperature: -40°F to 212°F
• Performance: Gas and oil resistant, optimized for airtight sealing
Applications:
Designed for Type 12 spring and service brake chambers in commercial vehicle air brake systems. Maintains proper pressure sealing performance and durability under extreme duty cycles in fleet and heavy-duty operations.
CROSS-REFERENCE(S):
OE: 1-123, 031023, 060-234226N, 12175, 12-40012, 1325347, 151-12, 15112, 15586177, 18120, 2297D2448, 234226, 234226C8T, 234226HTP, 234226K, 234226N, 234226-RC, 236664, 2797C1043, 2797D56, 2797D56RI, 301933R1, 338458, 4-2-920, 4120, 41200, 461212, 5023SS, 64-SM-22, 64SM22, 64SM25, 745-236664, 8012, 8017112, 802486, 82352797D56, 843631, 871-930-R, 928012, AD-17544, ATI2797D56, ATX5023, ATP5023, BER-234226, BER234226, BD12, BW234226, BW234226N, BX234226, BX234226N, C3TZ2325C, D12, DP12, E-8889, E8889, EM41200, GT-5206, GTP234226, GTS5023, HR2797D56, KN-18120, KN18120, M461, MER2797D56, MDP-4120, MPGS-5023, N20168, PL-D-12, PS234226, PTD12, RF410015087, S 234226, S-5023, S5023, T12, T12 15112, TDA2797D56, TKL24012, VIP234226, WAKN18120
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 diaphragm diameter (5.47"–5.50") and stroke (1.75") match brake chamber specifications
✔ Use only with certified Type 12 brake chamber assemblies
✔ Follow OEM torque specs and installation procedures
✔ Inspect diaphragm for deformation or aging before installation
✔ For fitment help, contact Fleet Products technical team
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Warranty Information
