Dorman 34248 A/C Compressor Bypass Pulley

Brand Dorman 34248
Belt Type Serpentine
Compressor Type 10S17C
Installation Instructions Included No
Material Aluminum Bracket
Material Plastic Pulley
Mounting Bracket Included Yes
Mounting Hardware Included Yes
Number of Pulleys Included 1
Outside Diameter 5.3
Package Contents Bracket and Pulleys
Fits Toyota and Lexus · 36 vehicles

Bypass pulley solution. Keeps the original drive belt in use when the compressor is inoperable.

Aluminum bracket. With a plastic pulley for a lightweight, practical design.

Mounting hardware included. Bracket and pulley package simplifies the repair.

Cross-references Four Seasons 1675NK, Four Seasons 57328 and Four Seasons 57399 for the same application. See all 23.

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Dorman 34248 A/C Compressor Bypass Pulley

Dorman 34248 is an A/C compressor bypass pulley assembly for vehicles with an inoperable compressor. It lets the original serpentine drive belt stay in place while routing around the failed A/C compressor, helping restore accessory drive operation without replacing the compressor immediately.

Key Features

  • Aluminum bracket with a plastic pulley for a practical OE-style bypass setup
  • Built for serpentine belt applications
  • Outside diameter measures 5.3 inches
  • Mounting bracket and mounting hardware are included
  • Configured for 10S17C compressor applications
  • Package contents include the bracket and pulley assembly

Application Details

This Dorman 34248 bypass pulley is a direct-fit solution for select Toyota and Lexus vehicles, including Fits 1999-2003 Toyota Solara, N/A; Fits 1994-2001 Toyota Camry, N/A; Fits 1995-1999 Toyota Avalon, N/A; Fits 1994-1998 Lexus ES300, N/A; and Fits 1994-1995 Toyota Camry, N/A. It is a practical option when the A/C compressor has failed but the serpentine belt still needs to drive the rest of the engine accessories. This part cross-references UAC (e.g., KT1000, KT1001) for the same application.

What It Helps Address

  • Broken or seized A/C compressor pulley operation
  • Serpentine belt routing problems caused by a failed compressor
  • Loss of accessory drive function when the compressor is removed from service
  • Temporary or permanent bypass needs on select Toyota Camry, Avalon, Solara, and Lexus ES300 applications

Installation Notes

Verify compressor type 10S17C and confirm belt routing before installation. The assembly is intended for serpentine belt systems and includes the bracket and pulley components needed for the bypass setup. Installation instructions are not included, so compare the vehicle’s original layout and mounting points before beginning the job.

Quality Assurance

Dorman supplies aftermarket replacement parts engineered to match common OE service needs. Part number 34248 is built as a cost-effective bypass solution for vehicles where the original A/C compressor is no longer operational and the drive belt must remain in service.

This part fits 36 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003ToyotaSolara3.0LV6N/AMade in the United States.
2002ToyotaSolara3.0LV6N/AMade in the United States.
2001ToyotaCamry3.0LV6N/AMade in the United States.
2001ToyotaCamry2.2LL4N/AMade in the United States.
2001ToyotaSolara3.0LV6N/AMade in the United States.
2001ToyotaSolara2.2LL4N/AMade in the United States.
2000ToyotaCamry3.0LV6N/AMade in the United States.
2000ToyotaCamry2.2LL4N/AMade in the United States.
2000ToyotaSolara3.0LV6N/AMade in the United States.
2000ToyotaSolara2.2LL4N/AMade in the United States.
1999ToyotaAvalon3.0LV6N/A
1999ToyotaCamry3.0LV6N/AMade in the United States.
1999ToyotaCamry2.2LL4N/AMade in the United States.
1999ToyotaSolara3.0LV6N/AMade in the United States.
1999ToyotaSolara2.2LL4N/AMade in the United States.
1998LexusES3003.0LV6N/A
1998ToyotaAvalon3.0LV6N/A
1998ToyotaCamry3.0LV6N/AMade in the United States.
1998ToyotaCamry2.2LL4N/AMade in the United States.
1997LexusES3003.0LV6N/A
1997ToyotaAvalon3.0LV6N/A
1997ToyotaCamry3.0LV6N/AMade in the United States.
1997ToyotaCamry2.2LL4N/AMade in the United States.
1996LexusES3003.0LV6N/A
1996ToyotaAvalon3.0LV6N/A
1996ToyotaCamry3.0LV6N/AMade in the United States.
1996ToyotaCamry2.2LL4N/AMade in the United States.
1995LexusES3003.0LV6N/A
1995ToyotaAvalon3.0LV6N/A
1995ToyotaCamry3.0LV6N/AMade in the United States.
1995ToyotaCamry2.2LL4N/AMade in the United States.
1995ToyotaCamryN/ABuilt in U.S.A.; V6 3.0L (2959cc)
1994LexusES3003.0LV6N/A
1994ToyotaCamry3.0LV6N/AMade in the United States.
1994ToyotaCamry2.2LL4N/AMade in the United States.
1994ToyotaCamryN/ABuilt in U.S.A.; V6 3.0L (2959cc)
Directly replaces or cross-references 23 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 1675NKFour Seasons — 57328Four Seasons — 57399Four Seasons — 58399Four Seasons — 77334Four Seasons — 78334Four Seasons — TSN2349Four Seasons — TSR2349UAC — CO10241GLCUAC — KT1000UAC — KT1000AUAC — KT1001UAC — KT1001AUAC — KT1001BUAC — KT1002UAC — KT1002AUAC — KT1003UAC — KT1003AUAC — KT1687UAC — KT1687A4711312TSN1151TSR1151