HomeEngine > Valve Train ComponentsUS Motor Works USTK104 Engine Timing Belt Kit with Water Pump
Part #: USTK104

US Motor Works USTK104 Engine Timing Belt Kit with Water Pump

19 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: INFINITI and Nissan, 200SX, 300ZX, D21, and M30
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Timing Belt Kit with Water Pump for Nissan and Infiniti

US Motor Works USTK104 is an engine timing belt kit with water pump for select Nissan and INFINITI applications. It brings together the timing components needed for a timing service on vehicles such as the Nissan D21, Nissan 300ZX, Nissan 200SX, and INFINITI M30.

  • Engine timing belt kit with water pump for timing system service
  • Brand new components with QA inspection for fit and function
  • Built to ISO 9001:2008 standards in the USA
  • Produced to OE design targets for replacement service
  • Cross-references Airtex AWK1251 and WPK0037 for the same application

Compatible Vehicle Fitment

  • Fits 1993-1994 Nissan D21, N/A, square tooth belt
  • Fits 1990-1992 INFINITI M30, N/A
  • Fits 1986-1992 Nissan D21, N/A
  • Fits 1984-1989 Nissan 300ZX, N/A
  • Fits 1987 Nissan 200SX, N/A

What This Timing Kit Helps Address

  • Worn timing belt service intervals
  • Water pump leakage or bearing wear
  • Noise from aging timing components
  • Timing system wear that can affect engine operation
  • Repeat repairs caused by replacing only part of the timing system

Installation Notes and Tips

Use this kit during a complete timing service so the belt and water pump are replaced together. Verify engine code, belt tooth profile, and fitment details before installation, especially on 1993-1994 Nissan D21 models with a square tooth belt. Follow factory timing marks and service procedures during reassembly.

Quality Assurance

US Motor Works states that this timing kit with water pump is QA inspected and manufactured to ISO 9001:2008 standards in the USA. It is built to current OE design requirements for the listed Nissan and INFINITI applications.

This part fits 19 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
1994NissanD21RWD3.0LV6N/ASquare tooth belt
1993NissanD21RWD3.0LV6N/ASquare tooth belt
1992INFINITIM303.0LV6N/A
1992NissanD21RWD3.0LV6N/A
1991INFINITIM303.0LV6N/A
1991NissanD21RWD3.0LV6N/A
1990INFINITIM303.0LV6N/A
1990NissanD21RWD3.0LV6N/A
1989Nissan300ZX3.0LV6N/A
1989NissanD21RWD3.0LV6N/A
1988Nissan300ZX3.0LV6N/A
1988NissanD21RWD3.0LV6N/A
1987Nissan200SX3.0LV6N/A
1987Nissan300ZX3.0LV6N/A
1987NissanD21RWD3.0LV6N/A
1986Nissan300ZX3.0LV6N/A
1986NissanD213.0LV6N/A
1985Nissan300ZX3.0LV6N/A
1984Nissan300ZX3.0LV6N/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:

AWK1251WPK0037

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