Homeโ€บ HVAC > A/C Clutch and Compressorโ€บ Dorman 34184 A/C Compressor Bypass Pulley
Part #: 34184

Dorman 34184 A/C Compressor Bypass Pulley

N/A
278 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing โ€” free returns if it doesn't
$75.79Free 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 ยท Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement โ€” Bolt-on fit, no modifications needed
Fitment: Ford, Mercury, Mazda, and Lincoln, Escape, Explorer Sport, Mustang, Ranger, Cougar, Explorer, Mountaineer, Contour, Mystique, B3000, B4000, Windstar, F-250, F-350, Thunderbird, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, F-150, Taurus, Continental, Navajo, Sable, Aerostar, E-250 Econoline Club Wagon, and Bronco
Easy Returns โ€” Return within 60 days for a full refund
Fast Shipping โ€” Most orders ship same business day before 1pm CST

Overview of Dorman A/C Compressor Bypass Pulley 34184

The Dorman A/C Compressor Bypass Pulley 34184 is designed to provide reliable performance for select Ford, Lincoln, Mazda, and Mercury vehicles. This replacement pulley is engineered to maintain proper belt tension and ensure smooth operation of the serpentine belt system in your vehicle's HVAC setup.

  • Durable aluminum bracket with a plastic pulley for balanced strength and weight
  • 127 mm outside diameter pulley designed for serpentine belt compatibility
  • Includes mounting bracket and hardware for straightforward installation
  • Compatible with FS10 compressor type
  • Installation instructions included for ease of use
  • Package contains one pulley, bracket, and all necessary hardware

Detailed Product Description

The Dorman 34184 A/C Compressor Bypass Pulley features a robust aluminum bracket paired with a plastic pulley, combining durability with reduced rotational mass. The 127 mm outside diameter pulley is specifically designed for serpentine belt systems, commonly found in Ford Aerostar, F-150, Explorer, Lincoln Continental, Mazda B3000, and Mercury Mountaineer models. This pulley is compatible with FS10 compressor types, ensuring proper fit and function within the HVAC system. The included mounting bracket and hardware simplify the replacement process, while the installation instructions provide clear guidance to technicians and DIY mechanics alike.

Compatible Vehicles and Applications

This A/C compressor bypass pulley is compatible with a range of Ford, Lincoln, Mazda, and Mercury vehicles, including but not limited to:

  • Ford F-150, F-250, F-350, Explorer, Aerostar, Ranger, Mustang, Bronco
  • Lincoln Continental, Mark VIII
  • Mazda B3000, B4000, Navajo
  • Mercury Mountaineer, Cougar, Mystique
  • Ford Econoline series (E-150, E-250, E-350 and Club Wagon variants)

Common Issues Addressed by This Pulley

  • Worn or damaged A/C compressor bypass pulley causing belt slippage
  • Noise or squealing from a failing pulley in the serpentine belt system
  • Improper belt tension leading to reduced HVAC system efficiency
  • Failure of the original pulley bracket or hardware
  • Replacement needed after compressor removal or repair

Installation Notes and Tips

  • Ensure the serpentine belt is properly routed before installation
  • Use the included mounting hardware and bracket for secure fitment
  • Follow the provided installation instructions carefully to avoid misalignment
  • Inspect the serpentine belt and related components for wear during replacement
  • Torque mounting bolts to manufacturer specifications to prevent loosening

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your vehicle's HVAC system. The 34184 A/C Compressor Bypass Pulley comes with a limited warranty to protect against defects in material and workmanship, ensuring confidence in your replacement part.

BrandDorman
Part Number34184
Belt TypeSerpentine
Compressor TypeFs10
Installation Instructions IncludedYes
MaterialAluminum Bracket
MaterialPlastic Pulley
Mounting Bracket IncludedYes
Mounting Hardware IncludedYes
Number of Pulleys Included1
Outside Diameter127
Package ContentsPulley; Bracket; and Installation Hardware

This part fits 278 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2003FordEscape2.0LL4N/A
2003FordExplorer Sport4.0LV6N/A
2003FordMustang3.8LV6N/A
2002FordEscape2.0LL4N/A
2002FordMustang3.8LV6N/A
2002FordRanger2.3LL4N/A
2002FordRanger3.0LV6N/A
2002FordRanger4.0LV6N/A
2002MercuryCougar2.0LL4N/A
2001FordEscape2.0LL4N/A
2001FordExplorer4.0LV6N/A
2001FordMustang3.8LV6N/A
2001FordRanger2.3LL4N/A
2001FordRanger3.0LV6N/A
2001FordRanger4.0LV6N/A
2001MercuryCougar2.0LL4N/A
2001MercuryMountaineer4.0LV6N/A
2000FordContour2.0LL4N/A
2000FordExplorer4.0LV6N/A
2000FordMustang3.8LV6N/A
2000FordRanger3.0LV6N/A
2000FordRanger4.0LV6N/A
2000MercuryCougar2.0LL4N/A
2000MercuryMountaineer4.0LV6N/A
2000MercuryMystique2.0LL4N/A
1999FordContour2.0LL4N/A
1999FordExplorer4.0LV6N/A
1999FordMustang3.8LV6N/A
1999FordRanger3.0LV6N/A
1999FordRanger4.0LV6N/A
1999MazdaB3000N/A
1999MazdaB4000N/A
1999MercuryCougar2.0LL4N/A
1999MercuryMountaineer4.0LV6N/A
1999MercuryMystique2.0LL4N/A
1998FordContour2.0LL4N/A
1998FordExplorer4.0LV6N/A
1998FordMustang3.8LV6N/A
1998FordRanger3.0LV6N/A
1998FordRanger4.0LV6N/A
1998FordWindstar3.8LV6N/A
1998MazdaB3000N/A
1998MazdaB4000N/A
1998MercuryMountaineer4.0LV6N/A
1998MercuryMystique2.0LL4N/A
1997FordContour2.0LL4N/A
1997FordExplorer4.0LV6N/A
1997FordF-2505.8LV8N/A
1997FordF-3505.8LV8N/A
1997FordMustang3.8LV6N/A
1997FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1997FordRanger4.0LV6N/A
1997FordThunderbird3.8LV6N/A
1997FordWindstar3.8LV6N/A
1997MazdaB3000N/A
1997MazdaB4000N/A
1997MercuryCougar3.8LV6N/A
1997MercuryMystique2.0LL4N/A
1996FordContour2.0LL4N/A
1996FordE-150 Econoline4.9LL6N/A
1996FordE-150 Econoline Club Wagon4.9LL6N/A
1996FordE-250 Econoline4.9LL6N/A
1996FordE-350 Econoline7.5LV8N/A
1996FordE-350 Econoline4.9LL6N/A
1996FordE-350 Econoline Club Wagon7.5LV8N/A
1996FordE-350 Econoline Club Wagon4.9LL6N/A
1996FordExplorer4.0LV6N/A
1996FordF-1504.9LL6N/A
1996FordF-2504.9LL6N/A
1996FordF-3504.9LL6N/A
1996FordMustang3.8LV6N/A
1996FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1996FordRanger4.0LV6N/A
1996FordThunderbird3.8LV6N/A
1996FordWindstar3.8LV6N/A
1996MazdaB3000N/A
1996MazdaB4000N/A
1996MercuryCougar3.8LV6N/A
1996MercuryMystique2.0LL4N/A
1995FordContour2.0LL4N/A
1995FordE-150 Econoline4.9LL6N/A
1995FordE-150 Econoline Club Wagon4.9LL6N/A
1995FordE-250 Econoline4.9LL6N/A
1995FordE-350 Econoline7.5LV8N/A
1995FordE-350 Econoline4.9LL6N/A
1995FordE-350 Econoline Club Wagon7.5LV8N/A
1995FordE-350 Econoline Club Wagon4.9LL6N/A
1995FordExplorerN/A
1995FordMustang3.8LV6N/A
1995FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1995FordRanger4.0LV6N/A
1995FordThunderbird3.8LV6N/A
1995FordWindstar3.8LV6N/A
1995MazdaB3000N/A
1995MazdaB4000N/A
1995MercuryCougar3.8LV6N/A
1995MercuryMystique2.0LL4N/A
1994FordE-150 Econoline4.9LL6N/A
1994FordE-150 Econoline Club Wagon4.9LL6N/A
1994FordE-250 Econoline4.9LL6N/A
1994FordE-350 Econoline7.5LV8N/A
1994FordE-350 Econoline4.9LL6N/A
1994FordE-350 Econoline Club Wagon7.5LV8N/A
1994FordE-350 Econoline Club Wagon4.9LL6N/A
1994FordExplorerN/A
1994FordF-2507.3LV8N/Aw/Factory Installed Air Conditioning; w/6 Rib Serpentine Belt
1994FordF-3507.3LV8N/Aw/Factory Installed Air Conditioning; w/6 Rib Serpentine Belt
1994FordMustang3.8LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1994FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1994FordRanger4.0LV6N/A
1994FordTaurusLX3.0LV6N/A3/8 In. Space in Front of Belt
1994FordTaurusGL3.0LV6N/A3/8 In. Space in Front of Belt
1994FordThunderbird3.8LV6N/A
1994LincolnContinentalN/A
1994MazdaB3000N/ACompatible with vehicles equipped with factory installed air conditioning.
1994MazdaB4000N/ACompatible with vehicles equipped with factory installed air conditioning.
1994MazdaNavajoN/A
1994MercuryCougar3.8LV6N/A
1994MercurySable3.0LV6N/A3/8 In. Space in Front of Belt
1993FordE-150 Econoline4.9LL6N/A
1993FordE-150 Econoline Club Wagon4.9LL6N/A
1993FordE-250 Econoline4.9LL6N/A
1993FordE-350 Econoline7.5LV8N/A
1993FordE-350 Econoline4.9LL6N/A
1993FordE-350 Econoline Club Wagon7.5LV8N/A
1993FordE-350 Econoline Club Wagon4.9LL6N/A
1993FordExplorerN/A
1993FordF-2507.3LV8N/Aw/Factory Installed Air Conditioning; w/6 Rib Serpentine Belt
1993FordF-3507.3LV8N/Aw/Factory Installed Air Conditioning; w/6 Rib Serpentine Belt
1993FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1993FordRanger4.0LV6N/A
1993FordTaurusLX3.0LV6N/A3/8 In. Space in Front of Belt
1993FordTaurusGL3.0LV6N/A3/8 In. Space in Front of Belt
1993FordThunderbird3.8LV6N/A
1993LincolnContinentalN/A
1993MazdaNavajoN/A
1993MercuryCougar3.8LV6N/A
1993MercurySable3.0LV6N/A3/8 In. Space in Front of Belt
1992FordE-150 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordE-150 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordE-250 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordE-350 Econoline7.5LV8N/A
1992FordE-350 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordE-350 Econoline Club Wagon7.5LV8N/A
1992FordE-350 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordExplorerN/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordF-2507.3LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordF-3507.3LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1992FordRanger4.0LV6N/A
1992FordTaurusL3.0LV6N/A3/8 In. Space in Front of Belt
1992FordTaurusLX3.0LV6N/A3/8 In. Space in Front of Belt
1992FordTaurusGL3.0LV6N/A3/8 In. Space in Front of Belt
1992FordThunderbird3.8LV6N/A
1992LincolnContinentalN/A
1992MazdaNavajoN/A
1992MercuryCougar3.8LV6N/A
1992MercurySable3.0LV6N/A3/8 In. Space in Front of Belt
1991FordAerostar3.0LV6N/Aw/Factory Installed Air Conditioning; w/Compressor Type FS10
1991FordE-150 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordE-150 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordE-250 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordE-250 Econoline Club Wagon7.5LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordE-250 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordE-350 Econoline7.5LV8N/A
1991FordE-350 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordE-350 Econoline Club Wagon7.5LV8N/A
1991FordE-350 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordExplorerN/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordRanger3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1991FordRanger4.0LV6N/A
1991FordTaurus3.0LV6N/A
1991FordThunderbird3.8LV6N/A
1991LincolnContinentalN/A
1991MazdaNavajoN/ACompatible with vehicles equipped with factory installed air conditioning.
1991MercuryCougar3.8LV6N/A
1991MercurySable3.0LV6N/A
1990FordAerostar3.0LV6N/Aw/Factory Installed Air Conditioning; w/Compressor Type FS10
1990FordE-150 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordE-150 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordE-250 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordE-250 Econoline Club Wagon7.5LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordE-250 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordE-350 Econoline7.5LV8N/A
1990FordE-350 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordE-350 Econoline Club Wagon7.5LV8N/A
1990FordE-350 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1990FordRanger4.0LV6N/A
1990FordTaurus2.5LL4N/A
1990FordTaurusL3.0LV6N/A
1990FordTaurusLX3.0LV6N/A
1990FordTaurusGL3.0LV6N/A
1990FordThunderbirdN/A
1990LincolnContinentalN/A
1990MercuryCougarN/A
1990MercurySable3.0LV6N/A
1989FordAerostarN/Aw/Factory Installed Air Conditioning; w/Compressor Type E6DH
1989FordBronco5.0LV8N/A
1989FordBronco5.8LV8N/A
1989FordE-150 Econoline5.0LV8N/A
1989FordE-150 Econoline5.8LV8N/A
1989FordE-150 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-150 Econoline Club Wagon5.0LV8N/A
1989FordE-150 Econoline Club Wagon5.8LV8N/A
1989FordE-150 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-250 Econoline5.0LV8N/A
1989FordE-250 Econoline5.8LV8N/A
1989FordE-250 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-250 Econoline Club Wagon5.8LV8N/A
1989FordE-250 Econoline Club Wagon7.5LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-250 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-350 Econoline5.8LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-350 Econoline7.5LV8N/A
1989FordE-350 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-350 Econoline Club Wagon5.8LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordE-350 Econoline Club Wagon7.5LV8N/A
1989FordE-350 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordF-1505.0LV8N/A
1989FordF-1505.8LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordF-2505.0LV8N/A
1989FordF-2505.8LV8N/A
1989FordF-3505.8LV8N/A
1989FordRanger2.3LL4N/ACompatible with vehicles equipped with factory installed air conditioning.
1989FordTaurus2.5LL4N/A
1989FordTaurusL3.0LV6N/A
1989FordTaurusLX3.0LV6N/A
1989FordTaurusGL3.0LV6N/A
1989FordThunderbirdN/A
1989MercuryCougarN/A
1989MercurySable3.0LV6N/A
1988FordAerostarN/Aw/Factory Installed Air Conditioning; w/Compressor Type E6DH
1988FordBroncoN/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-150 Econoline5.0LV8N/A
1988FordE-150 Econoline5.8LV8N/A
1988FordE-150 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-150 Econoline Club Wagon5.0LV8N/A
1988FordE-150 Econoline Club Wagon5.8LV8N/A
1988FordE-150 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-250 Econoline5.0LV8N/A
1988FordE-250 Econoline5.8LV8N/A
1988FordE-250 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-250 Econoline Club Wagon5.8LV8N/A
1988FordE-250 Econoline Club Wagon7.5LV8N/A
1988FordE-250 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-350 Econoline5.8LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-350 Econoline7.5LV8N/A
1988FordE-350 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-350 Econoline Club Wagon5.8LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordE-350 Econoline Club Wagon7.5LV8N/A
1988FordE-350 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordF-1505.0LV8N/A
1988FordF-1505.8LV8N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordF-1504.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordF-2505.0LV8N/A
1988FordF-2505.8LV8N/A
1988FordF-2507.5LV8N/Aw/Factory Installed Air Conditioning; w/Serpentine Style Belt
1988FordF-2504.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordF-3505.8LV8N/A
1988FordF-3507.5LV8N/Aw/Factory Installed Air Conditioning; w/Serpentine Style Belt
1988FordF-3504.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1988FordTaurus3.0LV6N/A
1988MercurySable3.0LV6N/A
1987FordAerostar3.0LV6N/ATo 9/22/86; w/Factory Installed Air Conditioning
1987FordBronco4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordE-150 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordE-150 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordE-250 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordE-250 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordE-350 Econoline4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordE-350 Econoline Club Wagon4.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordF-1504.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordF-2504.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordF-3504.9LL6N/ACompatible with vehicles equipped with factory installed air conditioning.
1987FordTaurusN/A
1987MercurySableN/A
1986FordAerostar3.0LV6N/ACompatible with vehicles equipped with factory installed air conditioning.
1986FordTaurusN/A
1986MercurySableN/A

* 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:

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