Gates T42005 Engine Timing Belt Idler Pulley - Lower

Brand	Gates T42005
Position	Lower
Contact Surface	Smooth/Backside
Contents	Pulley
Flanged End	No
Inside Diameter	10.5
Material	Steel
Outside Diameter	52
Width	25
Product line	Timing Belt Pulley
Fits	Kia, Mazda, Ford, and Mercury · 72 vehicles

Steel construction. Provides durable support for the timing belt system.

Smooth contact surface. Helps the belt run quietly and consistently.

Timing belt pulley. Engineered as an idler pulley for valve train applications.

Cross-references Dorman - Conduct-Tite 85214, Gates T42005 and GMB 445-2060 for the same application. See all 16.

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Gates Timing Belt Idler Pulley T42005

The Gates T42005 timing belt idler pulley is a steel, smooth-backside pulley built for engine timing belt routing and support. It is listed for a wide range of Mazda, Kia, Ford, and Mercury applications, including Mazda Miata, Mazda Protege, Kia Rio, and Kia Spectra models.

Key Features

Steel construction for timing system durability
Smooth/backside contact surface for belt routing
Outside diameter: 52 mm
Inside diameter: 10.5 mm
Width: 25 mm
Non-flanged design
Contents: pulley only

Product Details

Gates PowerGrip idler pulleys are offered as fixed idlers or as replacements for a tensioner bracket, depending on application. The T42005 uses a smooth backside surface and steel construction to support proper timing belt tracking in engines that rely on precise valve timing. This part number, T42005, is used across multiple import engine applications, including Mazda Miata, Mazda Protege, and Kia Rio fitments.

This part cross-references GMB 445-2060 for the same application.

Common Uses

Replacing a worn or noisy timing belt idler pulley
Restoring proper timing belt alignment and routing
Addressing belt squeal, rough pulley rotation, or timing belt wear
Supporting timing service on interference-engine applications
Servicing Mazda Miata, Mazda Protege, Kia Rio, and Kia Spectra timing systems

Installation Notes

Verify pulley dimensions and belt path before installation
Inspect the timing belt, tensioner, and related seals during service
Follow the vehicle service manual for torque and timing alignment procedures
Use on confirmed applications only, including Fits 2001-2005 Kia Rio, N/A; Fits 1999-2005 Mazda Miata, N/A; and Fits 1990-2003 Mazda Protege, N/A

Quality Assurance

Gates PowerGrip components are engineered for timing system service and application-specific fitment. The T42005 is listed with confirmed interchange references and vehicle coverage for 1990-2005 model years across supported Mazda, Kia, Ford, and Mercury applications.

This part fits 72 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2005	Kia	Rio	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2005	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
2004	Kia	Rio	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2004	Kia	Spectra	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2004	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
2003	Kia	Rio	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2003	Kia	Spectra	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2003	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
2003	Mazda	Protege	1.6L	L4	GAS	N/A	Timing Belt Pulley
2002	Kia	Rio	1.5L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2002	Kia	Spectra	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2002	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
2002	Mazda	Protege	1.6L	L4	GAS	N/A	Timing Belt Pulley
2001	Kia	Rio	1.5L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2001	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2001	Kia	Spectra	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2001	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
2001	Mazda	Protege	1.6L	L4	GAS	N/A	Timing Belt Pulley
2000	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2000	Kia	Spectra	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2000	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
2000	Mazda	Protege	1.6L	L4	GAS	N/A	Timing Belt Pulley
1999	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1999	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
1999	Mazda	Protege	1.6L	L4	GAS	N/A	Timing Belt Pulley
1998	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1998	Mazda	Protege	1.5L	L4	GAS	Lower	Timing Belt Pulley
1998	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1997	Kia	Sephia	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1997	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1997	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
1997	Mazda	Protege	1.5L	L4	GAS	Lower	Timing Belt Pulley
1997	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1996	Ford	Escort	1.8L	L4	GAS	N/A	Timing Belt Pulley
1996	Kia	Sephia	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1996	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1996	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
1996	Mazda	MX-3	1.6L	L4	GAS	N/A	Timing Belt Pulley
1996	Mazda	Protege	1.5L	L4	GAS	Lower	Timing Belt Pulley
1996	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1996	Mercury	Tracer	1.8L	L4	GAS	N/A	Timing Belt Pulley
1995	Ford	Escort	1.8L	L4	GAS	N/A	Timing Belt Pulley
1995	Kia	Sephia	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1995	Kia	Sephia	1.8L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1995	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
1995	Mazda	MX-3	1.6L	L4	GAS	N/A	Timing Belt Pulley
1995	Mazda	Protege	1.5L	L4	GAS	Lower	Timing Belt Pulley
1995	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1995	Mercury	Tracer	1.8L	L4	GAS	N/A	Timing Belt Pulley
1994	Ford	Escort	1.8L	L4	GAS	N/A	Timing Belt Pulley
1994	Mazda	Miata	1.8L	L4	GAS	N/A	Timing Belt Pulley
1994	Mazda	MX-3	1.6L	L4	GAS	N/A	Timing Belt Pulley
1994	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1994	Mercury	Capri	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1994	Mercury	Tracer	1.8L	L4	GAS	N/A	Timing Belt Pulley
1993	Ford	Escort	1.8L	L4	GAS	N/A	Timing Belt Pulley
1993	Mazda	Miata	1.6L	L4	GAS	N/A	Timing Belt Pulley
1993	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1993	Mercury	Capri	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1993	Mercury	Tracer	1.8L	L4	GAS	N/A	Timing Belt Pulley
1992	Ford	Escort	1.8L	L4	GAS	N/A	Timing Belt Pulley
1992	Mazda	Miata	1.6L	L4	GAS	N/A	Timing Belt Pulley
1992	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1992	Mercury	Capri	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1992	Mercury	Tracer	1.8L	L4	GAS	N/A	Timing Belt Pulley
1991	Ford	Escort	1.8L	L4	GAS	N/A	Timing Belt Pulley
1991	Mazda	Miata	1.6L	L4	GAS	N/A	Timing Belt Pulley
1991	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
1991	Mercury	Capri	1.6L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
1991	Mercury	Tracer	1.8L	L4	GAS	N/A	Timing Belt Pulley
1990	Mazda	Miata	1.6L	L4	GAS	N/A	Timing Belt Pulley
1990	Mazda	Protege	1.8L	L4	GAS	N/A	Timing Belt Pulley
No rows match your filter.

Directly replaces or cross-references 16 part numbers

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

Dorman - Conduct-Tite — 85214Gates — T42005GMB — 445-2060NGK — 72140K938127309-5214024-1163222-214BT248102X700B66012730AB66012730BB66012730CFU73190GT20060OK93712730VKM84201