Home› Driveline and Axles > Differential› Dorman 697-802 Differential Ring and Pinion - Rear
Dorman 697-802 Differential Ring and Pinion - RearOE Quality 60-Day Returns
Dorman 697-802 Differential Ring and Pinion - Rear - view 1
Dorman 697-802 Differential Ring and Pinion - Rear - view 2
Part #: 697-802

Dorman 697-802 Differential Ring and Pinion - Rear

Rear
⚙️ 67 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$181.53Free 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: Buick, Oldsmobile, and Pontiac, Electra, GS, GS 455, Skylark, Sportwagon, Cutlass, Cutlass Supreme, Bonneville, Catalina, Grand Prix, GTO, 442, Firebird, Tempest, GS 350, GS 400, Special, and Gran Sport
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Differential Ring and Pinion options

Reliable Differential Ring and Pinion for Buick, Oldsmobile, Pontiac

The Dorman 697-802 differential ring and pinion set is designed to restore proper driveline function in select Buick, Oldsmobile, and Pontiac vehicles. With a 3.55 gear ratio, this standard replacement part provides a direct fit for models including the Bonneville, Catalina, Cutlass, Firebird, Grand Prix, GTO, Skylark, and Tempest.

  • Gear ratio: 3.55 for accurate drivetrain performance
  • Standard replacement grade for dependable durability
  • Includes both ring gear and pinion gear
  • Compatible with multiple Buick, Oldsmobile, and Pontiac models
  • Part number 697-802 ensures correct fitment

Product Details and Specifications

This differential ring and pinion set from Dorman is engineered to meet OEM specifications for a range of classic and late-model vehicles. The 3.55 gear ratio is optimized for balanced torque and speed, making it suitable for restoring factory driveline characteristics. The package contains both the ring gear and pinion gear, allowing for a complete replacement of worn or damaged components. Note that this kit does not include an installation kit, so additional hardware may be required depending on your vehicle's setup.

Compatible Vehicles and Applications

This part is compatible with the following makes and models:

  • Buick Bonneville
  • Oldsmobile Catalina, Cutlass, Cutlass Supreme
  • Pontiac Firebird, Grand Prix, GTO, Skylark, Tempest

Use this differential ring and pinion set to address driveline issues such as gear noise, vibration, or poor acceleration response in these vehicles.

Common Issues Addressed by This Differential Set

  • Worn or damaged ring and pinion gears causing gear whine
  • Excessive drivetrain vibration during acceleration
  • Reduced torque transfer affecting vehicle performance
  • Uneven or premature wear on differential components
  • Noise or rough operation from the rear differential

Installation Notes and Tips

Installation of the Dorman 697-802 differential ring and pinion requires precise alignment and proper torque settings to ensure optimal performance. Since the kit does not include an installation kit, verify that you have all necessary bearings, seals, and shims before beginning the job. Professional installation or consultation with a qualified mechanic is recommended to maintain drivetrain integrity and safety.

Quality Assurance and Warranty Information

Dorman provides this differential ring and pinion as a standard replacement part manufactured to meet industry standards. While no specific warranty details are included with this product, Dorman parts typically come with a limited warranty against defects in material and workmanship. Refer to Dorman's official documentation for complete warranty terms.

BrandDorman
Part Number697-802
Gear Ratio3.55
Installation Kit IncludedNo
Item GradeStandard Replacement
Package ContentsRing Gear; Pinion Gear

This part fits 67 vehicles. Search below:

YearMakeModelPositionNotes
1972BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1972OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1972OldsmobileCutlass SupremeRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1972PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1972PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1972PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1972PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971OldsmobileCutlass SupremeRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971PontiacFirebirdRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1971PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970OldsmobileCutlass SupremeRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970PontiacFirebirdRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1970PontiacTempestRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969OldsmobileCutlass SupremeRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969PontiacFirebirdRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1969PontiacTempestRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968OldsmobileCutlass SupremeRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968PontiacFirebirdRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1968PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967OldsmobileCutlass SupremeRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967PontiacFirebirdRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1967PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1966BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1966OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1966PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1966PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1966PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1966PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1965BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1965OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1965PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1965PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1965PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1965PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1964BuickSkylarkRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1964OldsmobileCutlassRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1964PontiacBonnevilleRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1964PontiacCatalinaRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1964PontiacGrand PrixRear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design
1964PontiacGTORear8.25 In. Ring Gear; w/3.55 Axle Ratio; wo/C-Clip Design

* 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:

ZG GMBOP-355

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

Related Articles