Federal Military Parts (763) 310-9340
Left Rear Brake Caliper for Military HMMWV Humvee & Hummer H1 | NSN 2530-01-333-6068 | PN 12342341
Prix habituel
$274.95 USD
Prix habituel
Prix soldé
$274.95 USD
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Product Description
Ensure your tactical fleet preserves maximum braking safety and mechanical reliability with this premium Rear Left Brake Caliper engineered specifically for heavy-duty military vehicles and specialized off-road builds. This driver-side (LH) rear service brake caliper assembly serves as a direct factory solution for collectors, defense mechanics, and rugged vehicle restorers. It delivers exceptional hydraulic performance under the most challenging terrain or severe operational environments.
Constructed from high-strength cast metal to withstand immense hydraulic strain, this critical disc brake assembly houses the internal brake caliper piston, seals, and specialized parking brake bracket architecture required for a seamless vehicle installation. Whether you are replacing a frozen piston, performing a complete 4-corner overhaul, or tackling standard preventive fleet maintenance, utilizing official part number 12342341 (and cross-reference alternates 12173602, 6006900, or 5745456) guarantees an exact dimensional fitment that perfectly satisfies strict military-grade safety parameters.
This left rear brake caliper assembly is custom-rated to integrate cleanly into AM General’s multi-purpose wheeled tactical vehicle fleet. It serves as a direct drop-in replacement across the following tactical platforms: M998, M1025, M1025A1, M1025A2, M1026, M1026A1, M1035, M1035A1, M1035A2, M1037, M1038, M1038A1, M1042, M1043, M1043A1, M1043A2, M1044, M1044A1, M1045, M1045A1, M1045A2, M1046, M1046A1, M1097, M1097A1, M1097A2, M1121, M1123, M966, M966A1, M996, M996A1, M997, M997A1, M997A2, M1151, M1151A1, M1167. It is also fully compatible with civilian AM General Hummer H1 trucks built between 1992 and 2006 (focusing on variants with factory serial numbers 299,999 and below).
When Is It Time to Replace Your Rear Caliper?
Because rear calipers on tactical trucks integrate directly with the parking brake mechanism and bear immense structural stress during steep descents, monitoring their health is crucial. It is time to replace this part immediately if you identify any of these critical warning signs:
- Fluid Leaks: Brake fluid actively seeping out from the piston bore, the hydraulic line inlet, or pooling on the inboard side of your rotor assembly.
- Vehicle Pulling or Drift: The truck noticeably pulls toward the right side when you press down on the brake pedal, signaling that this driver-side rear caliper is frozen and failing to clamp down on the pads.
- Spongy Pedal Feel: A soft, mushy, or non-responsive pedal that travels too close to the floorboard, usually revealing that bad caliper seals have allowed air or moisture into the hydraulic system.
- Dragging Parking Brake or Overheating: Smelling a pungent burning odor from the rear driver-side wheel well or feeling constant resistance while accelerating, which means the caliper’s mechanical parking linkage or piston is locked up and continuously riding the brake disc.
