HomeAir and Fuel Delivery > Gaskets and Sealing SystemsMahle MS12343 Fuel Injection Plenum Gasket Set
Part #: MS12343

Mahle MS12343 Fuel Injection Plenum Gasket Set

⚙️ 35 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$27.01Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Pontiac, Camaro, Corvette, and Firebird
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Injection Plenum Gasket Set for Chevrolet and Pontiac

The Mahle MS12343 Fuel Injection Plenum Gasket Set is designed to meet OEM standards, providing a precise seal for your Chevrolet Camaro, Corvette, or Pontiac Firebird. This gasket set ensures proper air and fuel delivery by maintaining a secure connection in the fuel injection system.

  • OEM standard item grade for consistent performance
  • Includes 2 molded rubber plenum gaskets per package
  • Durable molded rubber material resists wear and deformation
  • Compatible with Chevrolet Camaro, Corvette, and Pontiac Firebird models
  • Part number MS12343 for easy identification and ordering

Durable Molded Rubber Material for Effective Sealing

Constructed from molded rubber, the plenum gaskets in this set provide a reliable seal that prevents air and fuel leaks in the fuel injection plenum. The material's flexibility and resilience help maintain a tight fit under varying engine temperatures and pressures. This gasket set is engineered to match OEM specifications, ensuring proper fitment and function in your Chevrolet Camaro, Corvette, or Pontiac Firebird.

Applications and Common Issues Addressed

  • Prevents vacuum leaks that can cause rough idling or poor engine performance
  • Eliminates fuel injection plenum leaks that may lead to decreased fuel efficiency
  • Helps avoid air-fuel mixture inconsistencies affecting acceleration
  • Reduces risk of engine misfires related to gasket failure
  • Maintains proper sealing to support emission control systems

Installation Notes and Tips

When installing the Mahle MS12343 Fuel Injection Plenum Gasket Set, ensure the mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid over-compression or damage to the molded rubber gaskets. It is recommended to replace both gaskets included in the package to maintain balanced sealing performance.

Quality Assurance and Warranty

Mahle manufactures this fuel injection plenum gasket set to meet OEM standards, ensuring reliable fit and function. The MS12343 part number is backed by Mahle's quality control processes, providing confidence in durability and performance. Warranty details are subject to Mahle's standard terms and conditions.

BrandMahle
Part NumberMS12343
Item GradeOem standard
Package Quantity2
Plenum Gasket MaterialMolded rubber

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1992ChevroletCamaro5.7LV8N/AUpper; Molded Rubber
1992ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1992PontiacFirebird5.7LV8N/AUpper; Molded Rubber
1992PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1991ChevroletCamaro5.7LV8N/AUpper; Molded Rubber
1991ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1991ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1991PontiacFirebird5.7LV8N/AUpper; Molded Rubber
1991PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1990ChevroletCamaro5.7LV8N/AUpper; Molded Rubber
1990ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1990ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1990PontiacFirebird5.7LV8N/AUpper; Molded Rubber
1990PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1989ChevroletCamaro5.7LV8N/AUpper; Molded Rubber
1989ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1989ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1989PontiacFirebird5.7LV8N/AUpper; Molded Rubber
1989PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1988ChevroletCamaro5.7LV8N/AUpper; Molded Rubber
1988ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1988ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1988PontiacFirebird5.7LV8N/AUpper; Molded Rubber
1988PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1987ChevroletCamaro5.7LV8N/AUpper; Molded Rubber
1987ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1987ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1987PontiacFirebird5.7LV8N/AUpper; Molded Rubber
1987PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1986ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1986ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1986PontiacFirebird5.0LV8N/AUpper; Molded Rubber
1985ChevroletCamaro5.0LV8N/AUpper; Molded Rubber
1985ChevroletCorvette5.7LV8N/AUpper; Molded Rubber
1985PontiacFirebird5.0LV8N/AUpper; Molded Rubber

* 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:

MS 93160

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