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Thumbnail Filmstrip of 1998.5-2002 5.9L 24V Cummins Valve Cover Gasket Alliant AP0012 Images
The Alliant Power AP0012 is a new valve cover gasket for 1998–2003 Dodge Ram 5.9L 24V Cummins applications. Alliant’s Engine Valve Cover Gasket seals the valve cover to the cylinder head to help prevent oil leaks and keep contaminants out of the valvetrain area.
Features & Benefits
- New Alliant Power Valve Cover Gasket (Alliant P/N AP0012)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 3935878 / 3942137 / 3946169
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Dodge Ram 2500 / Ram 3500 (1998–2003)
- Ram 3500 (1998–2003)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- Cummins: 3935878, 3942137, 3946169
- Mopar: 501635, 5016356, 5016356AA, 5016356AB
- Alliant Power: AP0012
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
The Alliant Power AP0012 is a new valve cover gasket for 1998–2003 Dodge Ram 5.9L 24V Cummins applications. Alliant’s Engine Valve Cover Gasket seals the valve cover to the cylinder head to help prevent oil leaks and keep contaminants out of the valvetrain area.
Features & Benefits
New Alliant Power Valve Cover Gasket (Alliant P/N AP0012)
Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
Direct replacement for 3935878 / 3942137 / 3946169
Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
Dodge Ram 2500 / Ram 3500 (1998–2003)
Ram 3500 (1998–2003)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
Cummins: 3935878, 3942137, 3946169
Mopar: 501635, 5016356, 5016356AA, 5016356AB
Alliant Power: AP0012
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).[...]
The Alliant Power AP0012 is a new valve cover gasket for 1998–2003 Dodge Ram 5.9L 24V Cummins applications. Alliant’s Engine Valve Cover Gasket seals the valve cover to the cylinder head to help prevent oil leaks and keep contaminants out of the valvetrain area.
Features & Benefits
- New Alliant Power Valve Cover Gasket (Alliant P/N AP0012)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 3935878 / 3942137 / 3946169
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Dodge Ram 2500 / Ram 3500 (1998–2003)
- Ram 3500 (1998–2003)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- Cummins: 3935878, 3942137, 3946169
- Mopar: 501635, 5016356, 5016356AA, 5016356AB
- Alliant Power: AP0012
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
Fits: 5.9 Cummins 1998.5-2007
Fits: 5.9 Cummins 1989-2017
Fits: 5.9 Cummins 1989-2002
Fits: 5.9 Cummins 1989-2007 (With 727/518/47RE/47RH/48RE)