HomeExhaust > Hardware, Fasteners and FittingsDorman 03091 Exhaust Manifold Bolt and Spring - Front
Part #: 03091

Dorman 03091 Exhaust Manifold Bolt and Spring - Front

Front
⚙️ 93 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac, LeSabre, Park Avenue, Reatta, Riviera, Commercial Chassis, DeVille, Fleetwood, Beretta, Cavalier, Corsica, 98, Delta 88, Toronado, Bonneville, Sunbird, Skyhawk, Grand Am, Century, Firenza, Eldorado, Seville, and Cimarron
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Durable Exhaust Manifold Bolt and Spring for Select GM Vehicles

The Dorman 03091 Exhaust Manifold Bolt and Spring is designed specifically for a range of Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. This replacement hardware ensures secure exhaust manifold attachment with reliable metal spring tension and a pilot point fastener for precise installation.

  • Includes 1 stud, 1 conical metal spring, and 1 lock nut
  • Standard replacement grade for dependable performance
  • Features a pilot point fastener for accurate alignment
  • Designed for specific fitment on GM vehicles including Bonneville, DeVille, and Grand Am
  • Metal spring material provides consistent tension and durability

Product Details and Specifications

The Dorman 03091 exhaust manifold bolt and spring set is engineered as a standard replacement part to maintain the integrity of the exhaust system on select General Motors vehicles. The metal spring included in the package offers reliable tension to prevent loosening caused by engine vibrations and thermal expansion. The pilot point fastener design aids in easy and precise installation, reducing the risk of cross-threading or misalignment. This kit contains one stud, one conical spring, and one lock nut, providing all necessary components for a secure exhaust manifold connection.

Compatible Vehicles and Applications

This exhaust manifold bolt and spring is compatible with specific models from Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac. Key compatible models include the Buick LeSabre and Century, Cadillac Eldorado and Seville, Chevrolet Cavalier and Corsica, Oldsmobile Firenza and Cutlass, and Pontiac Grand Am and Sunbird. The part number 03091 is tailored to fit these vehicles, ensuring proper fit and function within the exhaust hardware assembly.

  • Prevents exhaust manifold leaks caused by loose or damaged bolts
  • Replaces worn or corroded exhaust manifold fasteners
  • Maintains proper exhaust system alignment and sealing
  • Reduces risk of exhaust noise and emissions issues
  • Helps avoid engine performance problems related to exhaust leaks

Installation Notes and Tips

When installing the Dorman 03091 exhaust manifold bolt and spring, ensure the mating surfaces are clean and free of debris. Use proper torque specifications as outlined in the vehicle service manual to avoid over-tightening or stripping threads. The pilot point fastener design assists in aligning the stud during installation, which helps prevent cross-threading. It is recommended to replace all exhaust manifold hardware in sets to maintain even tension and secure sealing.

Quality Assurance and Warranty

Dorman provides this exhaust manifold bolt and spring as a standard replacement part manufactured to meet or exceed OEM specifications. The metal spring material and lock nut are designed for durability under typical exhaust system conditions. While no specific warranty details are provided, Dorman parts generally come with a limited warranty against defects in material and workmanship, supporting reliable long-term use in compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles.

BrandDorman
Part Number03091
Dog Point FastenerNo
Item GradeStandard Replacement
Package Contents1 Stud; 1 Conical Spring and 1 Lock Nut
Pilot Point FastenerYes
Spring MaterialMetal
Universal Or Specific FitSpecific

This part fits 93 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991BuickLeSabreFrontFits various models and years.
1991BuickPark AvenueFrontFits various models and years.
1991BuickReattaFrontFits various models and years.
1991BuickRivieraFrontFits various models and years.
1991CadillacCommercial ChassisFrontFits various models and years.
1991CadillacDeVilleFrontFits various models and years.
1991CadillacFleetwoodFrontFits various models and years.
1991ChevroletCavalierFrontFits various models and years.
1991ChevroletCorsicaFrontFits various models and years.
1991Oldsmobile98FrontFits various models and years.
1991OldsmobileDelta 88FrontFits various models and years.
1991OldsmobileToronadoFrontFits various models and years.
1991PontiacBonnevilleFrontFits various models and years.
1991PontiacSunbirdFrontFits various models and years.
1990BuickLeSabre3.8LV6FrontFits various models and years.
1990BuickReattaFrontFits various models and years.
1990BuickRivieraFrontFits various models and years.
1990CadillacCommercial ChassisFrontFits various models and years.
1990CadillacDeVilleFrontFits various models and years.
1990CadillacFleetwoodFrontFits various models and years.
1990ChevroletCavalierFrontFits various models and years.
1990ChevroletCorsicaFrontFits various models and years.
1990Oldsmobile98FrontFits various models and years.
1990OldsmobileDelta 88FrontFits various models and years.
1990OldsmobileToronadoFrontFits various models and years.
1990PontiacBonnevilleFrontFits various models and years.
1990PontiacSunbirdFrontFits various models and years.
1989BuickLeSabre3.8LV6FrontFits various models and years.
1989BuickReattaFrontFits various models and years.
1989BuickRivieraFrontFits various models and years.
1989BuickSkyhawkFrontFits various models and years.
1989CadillacCommercial ChassisFrontFits various models and years.
1989CadillacDeVilleFrontFits various models and years.
1989CadillacFleetwoodFrontFits various models and years.
1989ChevroletCavalier2.0LL4FrontFits various models and years.
1989ChevroletCorsicaFrontFits various models and years.
1989Oldsmobile98FrontFits various models and years.
1989OldsmobileDelta 88FrontFits various models and years.
1989OldsmobileToronadoFrontFits various models and years.
1989PontiacBonnevilleFrontFits various models and years.
1989PontiacGrand Am2.0LL4FrontFits various models and years.
1989PontiacSunbirdFrontFits various models and years.
1988BuickCentury3.8LV6FrontFits various models and years.
1988BuickLeSabre3.8LV6FrontFits various models and years.
1988BuickReattaFrontFits various models and years.
1988BuickRivieraFrontFits various models and years.
1988BuickSkyhawkFrontFits various models and years.
1988CadillacCommercial ChassisFrontFits various models and years.
1988CadillacDeVilleFrontFits various models and years.
1988CadillacFleetwoodFrontFits various models and years.
1988ChevroletCavalier2.0LL4FrontFits various models and years.
1988ChevroletCorsicaFrontFits various models and years.
1988Oldsmobile98FrontFits various models and years.
1988OldsmobileDelta 88FrontFits various models and years.
1988OldsmobileFirenzaFrontFits various models and years.
1988OldsmobileToronadoFrontFits various models and years.
1988PontiacBonnevilleFrontFits various models and years.
1988PontiacGrand Am2.0LL4FrontFits various models and years.
1988PontiacSunbirdFrontFits various models and years.
1987BuickCentury3.8LV6FrontFits various models and years.
1987BuickLeSabre3.8LV6FrontFits various models and years.
1987BuickSkyhawkFrontFits various models and years.
1987CadillacCommercial ChassisFrontFits various models and years.
1987CadillacDeVilleFrontFits various models and years.
1987CadillacEldoradoFrontFits various models and years.
1987CadillacFleetwoodFrontFits various models and years.
1987CadillacSevilleFrontFits various models and years.
1987ChevroletCavalier2.0LL4FrontFits various models and years.
1987ChevroletCorsicaFrontFits various models and years.
1987Oldsmobile98FrontFits various models and years.
1987OldsmobileDelta 88FrontFits various models and years.
1987OldsmobileFirenza2.0LL4FrontFits various models and years.
1987PontiacBonnevilleFrontFits various models and years.
1987PontiacGrand Am2.0LL4FrontFits various models and years.
1987PontiacSunbirdFrontFits various models and years.
1986BuickCentury3.8LV6FrontFits various models and years.
1986BuickLeSabre3.8LV6FrontFits various models and years.
1986BuickLeSabre3.0LV6FrontFits various models and years.
1986BuickSkyhawkFrontFits various models and years.
1986CadillacCimarron2.0LL4FrontFits various models and years.
1986CadillacCommercial ChassisFrontFits various models and years.
1986CadillacDeVilleFrontFits various models and years.
1986CadillacEldoradoFrontFits various models and years.
1986CadillacFleetwood4.1LV8FrontFits various models and years.
1986CadillacSevilleFrontFits various models and years.
1986ChevroletCavalier2.0LL4FrontFits various models and years.
1986Oldsmobile98FrontFits various models and years.
1986OldsmobileDelta 88FrontFits various models and years.
1986OldsmobileFirenza2.0LL4FrontFits various models and years.
1986OldsmobileFirenza1.8LL4FrontFits various models and years.
1986PontiacBonneville3.8LV6FrontFits various models and years.
1986PontiacSunbird2.0LL4FrontFits various models and years.
1986PontiacSunbird1.8LL4FrontFits various models and years.

* 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:

10255857

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