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DJ Rock VG428 Engine Valve Guide - Intake and Exhaust
| Brand | DJ Rock VG428 |
|---|---|
| Position | Intake and Exhaust |
| Grade Type | Premium |
| Fits | Ford, Land Rover, Mazda, and Mercury · 86 vehicles |
Direct-fit replacement. Restores precise valve alignment and smooth cylinder head operation.
Premium materials. Cast iron or bronze construction resists heat, friction, and wear.
OEM quality standards. Built for application-specific valvetrain service and factory-style operation.
$15.82Free shipping
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Engine Valve Guide Overview
This engine valve guide is a premium, application-specific replacement for cylinder head service. Part number VG428 is built to restore precise valve movement, proper alignment, and stable combustion chamber sealing in supported Ford, Mazda, Mercury, and Land Rover applications.
- Premium-grade engine valve guide for cylinder head repair
- Direct-fit replacement engineered for accurate valve alignment
- Helps reduce lateral valve movement and friction
- Manufactured from high-strength cast iron or bronze materials
- Meets or exceeds OEM quality standards
Fitment and Application Details
Compatible with a wide range of Ford Ranger, Ford Explorer, Ford Mustang, Mercury Mountaineer, Mazda B4000, Land Rover LR3, Ford Explorer Sport Trac, and Ford Explorer Sport applications. Fits 2001-2011 Ford Ranger, N/A; Fits 1997-2010 Ford Explorer, N/A; Fits 2007-2010 Ford Explorer Sport Trac, Intake and Exhaust; Fits 2005-2010 Ford Mustang, N/A; Fits 1998-2010 Mercury Mountaineer, N/A; Fits 2001-2009 Mazda B4000, N/A; Fits 2005-2007 Land Rover LR3, N/A; Fits 2001-2005 Ford Explorer Sport Trac, N/A; Fits 2001-2003 Ford Explorer Sport, Intake and Exhaust.
Part number VG428 is specified with a 7.1 mm inner diameter, 12 mm outer diameter, and 44.2 mm overall length. Those dimensions support accurate valve stem guidance during engine operation and help maintain consistent valvetrain geometry. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Repair Uses
- Excessive valve stem movement in the cylinder head
- Valve alignment issues affecting sealing and timing
- Wear-related valvetrain noise or instability
- Restoration work on supported Ford, Mazda, Mercury, or Land Rover engines
Installation Notes
Install during cylinder head service using the correct machining and valve train procedures for the application. Verify guide dimensions, valve stem fit, and intake/exhaust location before assembly. Part number VG428 should be matched to the exact engine configuration listed in the fitment data.
Quality Assurance
DNJ engine valve guides are manufactured to meet or exceed OEM quality standards. VG428 is produced as a direct-fit replacement using materials selected for heat resistance, wear control, and long-term service in valvetrain applications.
This part fits 86 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 |
|---|---|---|---|---|---|---|---|
| 2011 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2010 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2010 | Ford | Explorer Sport Trac | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2010 | Ford | Mustang | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2010 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2010 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2009 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2009 | Ford | Explorer Sport Trac | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2009 | Ford | Mustang | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2009 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2009 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2009 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2009 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2008 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2008 | Ford | Explorer Sport Trac | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2008 | Ford | Mustang | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2008 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2008 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2008 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2008 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2007 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2007 | Ford | Explorer Sport Trac | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2007 | Ford | Mustang | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2007 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2007 | Land Rover | LR3 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2007 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2007 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2007 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2006 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2006 | Ford | Mustang | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2006 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2006 | Land Rover | LR3 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2006 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2006 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2006 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Ford | Explorer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Ford | Explorer Sport Trac | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Ford | Explorer Sport Trac | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Ford | Mustang | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Land Rover | LR3 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2005 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2005 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2005 | Mercury | Mountaineer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Ford | Explorer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Ford | Explorer Sport Trac | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Ford | Explorer Sport Trac | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2004 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2004 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2004 | Mercury | Mountaineer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2003 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2003 | Ford | Explorer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2003 | Ford | Explorer Sport | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2003 | Ford | Explorer Sport Trac | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2003 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2003 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2003 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2003 | Mercury | Mountaineer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2002 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2002 | Ford | Explorer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2002 | Ford | Explorer Sport | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2002 | Ford | Explorer Sport Trac | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2002 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2002 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2002 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | FLEX | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2001 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2001 | Ford | Explorer Sport | 4.0L | V6 | — | Intake and Exhaust | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L. |
| 2001 | Ford | Explorer Sport Trac | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2001 | Ford | Ranger | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2001 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Exhaust |
| 2001 | Mazda | B4000 | — | — | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake |
| 2001 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2000 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 2000 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 1999 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 1999 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 1998 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 1998 | Mercury | Mountaineer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
| 1997 | Ford | Explorer | 4.0L | V6 | — | N/A | 7.1mm I.D.; 12mm O.D.; 44.2mm O.A.L.; Intake and Exhaust |
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