Dayco 11235 Accessory Drive Belt - Air Pump and Vacuum Pump
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Dayco

Dayco 11235 Accessory Drive Belt - Air Pump and Vacuum Pump

Brand Dayco 11235
Position Air Pump and Vacuum Pump
Angle 36
Belt Construction Top Cog
Color Black
Effective Length 23.50
Effective Length 596.90
Material Synthetic Rubber Compound
Maximum Operating Temperature 79.4
Maximum Operating Temperature 175
Minimum Operating Temperature -37.2
Minimum Operating Temperature -35
Outside Circumference 23.63
Outside Circumference 600.21
Standards SAE J636, SAE J637
Top Width .33
Fits Buick, Oldsmobile, and Pontiac · 13 vehicles

Top-cog construction. Helps the belt flex smoothly for reliable accessory drive performance.

Synthetic rubber compound. Built from durable material for dependable everyday operation.

SAE J636, J637 standards. Meets recognized industry specifications for accessory drive belts.

Cross-references ACDelco 15234, Autopar FB11235 and CARQUEST 7234 for the same application. See all 11.

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Accessory Drive Belt for OE-Style Belt Service

The Dayco 11235 accessory drive belt is built for accessory drive belt system service on select GM vehicles. It uses a synthetic rubber compound with a top cog construction to support consistent belt tracking and dependable operation in demanding underhood conditions.

With a .33 top width, 23.50 effective length, and 36-degree angle, this black belt is sized for specific air pump and vacuum pump applications. It is a direct-fit option for 1981-1982 Oldsmobile 98 and Delta 88, plus 1981 Buick LeSabre, Oldsmobile Custom Cruiser, Pontiac Bonneville, Catalina, Laurentian, and Parisienne with air conditioning.

Key Features

  • Dayco accessory drive belt, part number 11235
  • Synthetic rubber compound for belt system service
  • Top cog construction for flexible operation
  • .33 top width and 23.50 effective length
  • Black finish with 36-degree angle profile
  • Built to SAE J636 and SAE J637 standards
  • Operating temperature range from -35 to 175 degrees

Detailed Fitment and Construction

This Dayco 11235 belt is engineered for accessory drive belt system applications where precise length and profile matter. It cross-references Gates 7234 for the same application. The belt construction and material selection support stable performance in air pump and vacuum pump service, including vehicles equipped with air conditioning. If you are servicing a 1981 Oldsmobile Custom Cruiser, 1981 Pontiac Bonneville, or 1982 Oldsmobile Delta 88, this belt matches the listed fitment requirements.

Common Issues This Belt Can Address

  • Worn, cracked, or glazed accessory drive belt surfaces
  • Squealing caused by belt slip or loss of tension
  • Loss of drive to the air pump or vacuum pump
  • Incorrect belt length on listed Oldsmobile, Buick, and Pontiac applications
  • Reduced belt stability in hot or cold operating conditions

Installation Notes and Tips

Verify the existing belt length, width, and angle before installation. Confirm the vehicle uses the listed air pump and vacuum pump position and that the application includes air conditioning where noted. Inspect pulleys, tensioner components, and belt routing for wear or misalignment before installing Dayco 11235.

Quality Assurance

This belt is manufactured to SAE J636 and SAE J637 standards, providing a specification-based reference for accessory drive belt service. Dayco 11235 is a fitment-specific replacement for select 1981-1982 Oldsmobile 98 and Delta 88 models, along with 1981 Buick, Oldsmobile, and Pontiac applications listed above.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1982Oldsmobile985.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1982OldsmobileDelta 884.3LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1982OldsmobileDelta 885.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981BuickLeSabre5.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981Oldsmobile985.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981OldsmobileCustom Cruiser5.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981OldsmobileDelta 884.3LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981OldsmobileDelta 885.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981PontiacBonneville5.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981PontiacCatalina5.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981PontiacLaurentian5.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981PontiacParisienne5.0LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
1981PontiacParisienne4.3LV8Air Pump and Vacuum PumpCompatible with vehicles containing air conditioning.
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 15234Autopar — FB11235CARQUEST — 7234Driveworks — 23511Duralast — 11235Gates — 7234General Motors — 9438532Goodyear — 10236NAPA — 25-05982NAPA — 25-7234Pirelli — 10-236