US Motor Works
Water Pump and Fan Clutch kit

US Motor Works MCK1008 Engine Water Pump with Fan Clutch

Brand US Motor Works MCK1008
Product line Water Pump and Fan Clutch kit
Fits Buick, Chevrolet, GMC, Isuzu, Saab, and Oldsmobile · 59 vehicles

OE-spec matched set. Water pump and fan clutch are designed and tested to meet or exceed original equipment specifications.

Do the job once. Replace both connected cooling components together for a complete repair.

Precision machined. Built from quality components for optimum engine cooling performance.

$168.18Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $168.18
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Cooling System Replacement for GM 4.2L Applications

US Motor Works MCK1008 is a matched water pump and fan clutch kit for select GM and related SUVs. It is built for vehicles where the water pump and fan clutch work together to control engine temperature, making it a practical choice for a complete cooling system service.

Compatible With 2002-2007 Chevrolet Trailblazer, 2002-2007 GMC Envoy, and other listed applications, this kit helps restore coolant circulation and airflow in one repair. The US Motor Works Water Pump and Fan Clutch kit line is focused on paired cooling components that are designed to work together for proper engine temperature control.

Key Features

  • Engine Water Pump with Fan Clutch kit for cooling system service
  • Matched components for coordinated coolant flow and airflow
  • Designed and tested to meet or exceed original equipment specifications
  • Precision-machined components for consistent fit and operation
  • Direct replacement for select Buick, Chevrolet, GMC, Isuzu, Saab, and Oldsmobile applications
  • Part number MCK1008 for easy identification

Detailed Description

US Motor Works MCK1008 combines the water pump and fan clutch into one service solution for vehicles that rely on both parts to manage engine heat. Replacing these components together helps avoid the common issue of installing a new pump with an aging clutch, or a new clutch with a worn pump. This kit is intended for 2002-2007 Chevrolet Trailblazer, 2002-2007 GMC Envoy, 2003-2007 Isuzu Ascender, 2005-2007 Saab 9-7x, 2004-2007 Buick Rainier, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada.

Common Problems This Kit Can Address

  • Coolant circulation issues from a worn water pump
  • Reduced airflow through the radiator from a failing fan clutch
  • Engine overheating during idle or low-speed driving
  • Noise or irregular operation from aging cooling components
  • Repeat cooling repairs caused by replacing only one related part

Installation Notes and Tips

Verify engine and vehicle application before ordering, since fitment varies by year and model. Inspect the cooling system, belts, hoses, and related components during service so the new water pump and fan clutch can operate under proper conditions. Follow the vehicle service manual for torque values, coolant refill, and bleed procedures.

Quality Assurance

US Motor Works designs and tests this water pump and fan clutch kit to meet or exceed original equipment specifications. Precision machining and matched component design support consistent cooling performance and engine longevity. Part number MCK1008 is a direct reference for this cooling system repair.

This part fits 59 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2007BuickRainierN/AWater Pump and Fan Clutch kit
2007ChevroletTrailblazerLTN/AWater Pump and Fan Clutch kit
2007ChevroletTrailblazerLSN/AWater Pump and Fan Clutch kit
2007ChevroletTrailblazerBaseN/AWater Pump and Fan Clutch kit
2007ChevroletTrailblazerBN/AWater Pump and Fan Clutch kit
2007ChevroletTrailblazerAN/AWater Pump and Fan Clutch kit
2007GMCEnvoySLTN/AWater Pump and Fan Clutch kit
2007GMCEnvoySLEN/AWater Pump and Fan Clutch kit
2007IsuzuAscenderN/AWater Pump and Fan Clutch kit
2007Saab9-7x4.2iN/AWater Pump and Fan Clutch kit
2006BuickRainierN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazerLTN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazerLSN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazerN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazerBaseN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazerBN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazerAN/AWater Pump and Fan Clutch kit
2006ChevroletTrailblazer EXTN/AWater Pump and Fan Clutch kit
2006GMCEnvoySLTN/AWater Pump and Fan Clutch kit
2006GMCEnvoySLEN/AWater Pump and Fan Clutch kit
2006GMCEnvoy XLSLTN/AWater Pump and Fan Clutch kit
2006GMCEnvoy XLSLEN/AWater Pump and Fan Clutch kit
2006IsuzuAscenderN/AWater Pump and Fan Clutch kit
2006Saab9-7x4.2iN/AWater Pump and Fan Clutch kit
2005BuickRainierN/AWater Pump and Fan Clutch kit
2005ChevroletTrailblazerLTN/AWater Pump and Fan Clutch kit
2005ChevroletTrailblazerLSN/AWater Pump and Fan Clutch kit
2005ChevroletTrailblazer EXTN/AWater Pump and Fan Clutch kit
2005GMCEnvoySLTN/AWater Pump and Fan Clutch kit
2005GMCEnvoySLEN/AWater Pump and Fan Clutch kit
2005GMCEnvoy XLSLTN/AWater Pump and Fan Clutch kit
2005GMCEnvoy XLSLEN/AWater Pump and Fan Clutch kit
2005GMCEnvoy XUVN/AWater Pump and Fan Clutch kit
2005IsuzuAscenderN/AWater Pump and Fan Clutch kit
2005Saab9-7xLinearN/AWater Pump and Fan Clutch kit
2004BuickRainierN/AWater Pump and Fan Clutch kit
2004ChevroletTrailblazerNorth FaceN/AWater Pump and Fan Clutch kit
2004ChevroletTrailblazerLTN/AWater Pump and Fan Clutch kit
2004ChevroletTrailblazerLSN/AWater Pump and Fan Clutch kit
2004ChevroletTrailblazer EXTN/AWater Pump and Fan Clutch kit
2004GMCEnvoyN/AWater Pump and Fan Clutch kit
2004GMCEnvoy XLN/AWater Pump and Fan Clutch kit
2004GMCEnvoy XUVN/AWater Pump and Fan Clutch kit
2004IsuzuAscenderN/AWater Pump and Fan Clutch kit
2004OldsmobileBravadaN/AWater Pump and Fan Clutch kit
2003ChevroletTrailblazerNorth FaceN/AWater Pump and Fan Clutch kit
2003ChevroletTrailblazerLTZN/AWater Pump and Fan Clutch kit
2003ChevroletTrailblazerLTN/AWater Pump and Fan Clutch kit
2003ChevroletTrailblazerLSN/AWater Pump and Fan Clutch kit
2003ChevroletTrailblazer EXTN/AWater Pump and Fan Clutch kit
2003GMCEnvoyN/AWater Pump and Fan Clutch kit
2003GMCEnvoy XLN/AWater Pump and Fan Clutch kit
2003IsuzuAscenderN/AWater Pump and Fan Clutch kit
2003OldsmobileBravadaN/AWater Pump and Fan Clutch kit
2002ChevroletTrailblazerN/AWater Pump and Fan Clutch kit
2002ChevroletTrailblazer EXTN/AWater Pump and Fan Clutch kit
2002GMCEnvoyN/AWater Pump and Fan Clutch kit
2002GMCEnvoy XLN/AWater Pump and Fan Clutch kit
2002OldsmobileBravadaN/AWater Pump and Fan Clutch kit