HomeSuspension > Shocks and StrutsMonroe 34912 Shock Absorber - Front
Part #: 34912

Monroe 34912 Shock Absorber - Front

Gas-Magnum Shock Absorber, Front
28 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Gas-Magnum Shock Absorber, Front
Fitment: Chevrolet and GMC, P30 and P3500
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Monroe Gas-Magnum Shock Absorber Overview

The Monroe Gas-Magnum Shock Absorber part number 34912 is engineered to provide reliable suspension performance for Chevrolet and GMC heavy-duty trucks. Designed specifically for the Chevrolet P30 and GMC P3500 models, this shock absorber helps maintain vehicle stability and control under demanding conditions.

  • Compressed length: 14.125 inches
  • Travel length: 8.875 inches
  • Extended length: 23 inches
  • Includes a metal dust shield for enhanced durability
  • Lower mounting type: Loop bushing & sleeve mount (3/4" sleeve ID x 1.75" sleeve OAL)
  • Upper mounting type: L1/cp1
  • Does not include compressed or extended bumper stops

Detailed Product Features and Specifications

This Monroe Gas-Magnum Shock Absorber (part number 34912) features a robust metal dust shield that protects the piston rod from dirt and debris, extending the service life of the shock. The shock’s compressed length of 14.125 inches and extended length of 23 inches provide a travel length of 8.875 inches, ensuring effective damping and suspension travel for heavy-duty applications. The lower mounting utilizes a loop bushing and sleeve mount with precise dimensions (3/4" sleeve ID by 1.75" sleeve OAL), while the upper mounting employs the L1/cp1 configuration, ensuring a secure fit on compatible vehicles.

About the Gas-Magnum Shock Absorber Line

The Monroe Gas-Magnum Shock Absorber line is designed to deliver consistent gas-charged damping performance for trucks and commercial vehicles. This product line focuses on maintaining vehicle control and ride quality under heavy loads and rough road conditions. The 34912 shock absorber is part of this line, offering durability and reliable suspension response tailored for Chevrolet P30 and GMC P3500 trucks.

Common Applications and Problem Solving

  • Reduces excessive body roll and sway in Chevrolet P30 and GMC P3500 trucks
  • Improves ride comfort over uneven or rough terrain
  • Minimizes suspension bottoming and harsh impacts
  • Prevents premature wear of suspension components due to poor damping
  • Maintains vehicle stability when carrying heavy loads

Installation Notes and Tips

When installing the Monroe Gas-Magnum Shock Absorber 34912, ensure the mounting points correspond to the specified lower loop bushing and sleeve mount and the upper L1/cp1 mount. Verify the shock absorber’s orientation and travel length to avoid binding during suspension movement. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Use appropriate tools to avoid damage to the dust shield and mounting hardware during installation.

Quality Assurance and Warranty

Monroe manufactures the Gas-Magnum Shock Absorber line to meet or exceed OEM specifications for durability and performance. The part number 34912 undergoes rigorous quality control to ensure consistent damping characteristics and fitment accuracy. While specific warranty details are not provided here, Monroe typically offers limited warranties on their shock absorbers covering defects in materials and workmanship.

BrandMonroe
Part Number34912
PositionGas-Magnum Shock Absorber, Front
LS54
Compressed Bumper StopNo
Compressed Length14.125
Dust ShieldYes
Dust Shield MaterialMetal
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Extended Length23
Lower Mounting TypeLoop Bushing & Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL
Parts PackP00019
Travel Length8.875
Upper Mounting CodeL1/CP1
Upper Mounting TypeL1/CP1

This part fits 28 vehicles. Search below:

YearMakeModelBody TypePositionNotes
1999ChevroletP30Cab & ChassisFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1999GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1998ChevroletP30Cab & ChassisFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1998GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1997ChevroletP30Cab & ChassisFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1997GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1996ChevroletP30Cab & ChassisFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1996GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1995ChevroletP30Cab & ChassisFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1995GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1994ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1994GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1993ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1993GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1992ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1992GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1991ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1991GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1990ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1990GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1989ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1989GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1988ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1988GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1987ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1987GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1986ChevroletP30Standard Cargo VanFrontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber
1986GMCP3500Frontwith Monobeam Axle; Premium; Limited Lifetime Warranty; Gas-Magnum Shock Absorber

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

22002294345030391991956056758403586257276319160499KG6001A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.