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AP Exhaust H400 Exhaust Clamp
| Brand | AP Exhaust H400 |
|---|---|
| Finish | Natural |
| Material | Mild Steel |
| Pipe Diameter (IN) | 4 |
| Thread Diameter (IN) | 3/8 |
| Fits | Ram and Dodge · 87 vehicles |
Natural finish. Helps resist surface wear while keeping the clamp looking clean.
Mild steel construction. Provides dependable strength for exhaust connections.
4-inch pipe diameter. Sized for a secure exhaust clamp fit.
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AP Exhaust H400 Exhaust Clamp for Ram Trucks
The AP Exhaust H400 is a natural-finish exhaust clamp built from mild steel for 4-inch exhaust pipe connections. It uses a 3/8-inch thread diameter and is listed for a wide range of Dodge Ram 2500 and Ram 3500 applications, including aftermarket-design exhaust setups.
Key Features
- Part number H400 from AP Exhaust
- 4-inch pipe diameter for exhaust system clamping
- 3/8-inch thread diameter
- Mild steel construction
- Natural finish
- Fits multiple Dodge Ram 2500 and Ram 3500 model years
Detailed Description
AP Exhaust H400 is an exhaust clamp for securing 4-inch exhaust pipe sections in Ram truck exhaust systems. The mild steel construction and natural finish make it a straightforward hardware choice for exhaust service, replacement, or custom-fit aftermarket exhaust work. This part number H400 is listed across 1994 through 2012 Ram 2500 and Ram 3500 applications, including diesel and aftermarket-design configurations where specified.
Fits 2011-2012 Ram 2500, N/A. Fits 2011-2012 Ram 3500, N/A. Fits 2007-2010 Dodge Ram 2500, N/A. Fits 2007-2010 Dodge Ram 3500, N/A. Fits 2005-2009 Dodge Ram 2500, N/A. Fits 2005-2007 Dodge Ram 3500, N/A. Fits 1998-2002 Dodge Ram 2500, N/A. Fits 1998-2002 Dodge Ram 3500, N/A. Fits 1995-1997 Dodge Ram 2500, N/A. Fits 1995-1997 Dodge Ram 3500, N/A. Fits 1994 Dodge Ram 2500, N/A. Fits 1994 Dodge Ram 3500, N/A.
Common Uses
- Replacing a worn or damaged exhaust clamp on Ram 2500 and Ram 3500 trucks
- Securing 4-inch exhaust pipe joints in aftermarket exhaust systems
- Restoring a tight connection where exhaust leakage is present at the clamp point
- Supporting exhaust service on diesel-equipped Ram truck applications
Installation Notes and Tips
Verify the exhaust pipe diameter before installation; this clamp is sized for 4-inch pipe. Confirm thread size and clamp alignment during assembly so the joint seats evenly and maintains proper exhaust sealing. For fitment-specific use, match the vehicle year, model, and notes shown for your Ram 2500 or Ram 3500 application.
Quality Assurance
AP Exhaust supplies exhaust hardware for service and replacement applications. This H400 clamp is built with mild steel and a natural finish for straightforward exhaust system use.
This part fits 87 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2012 | Ram | 2500 | — | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2012 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2012 | Ram | 3500 | Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2012 | Ram | 3500 | Extended Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2011 | Ram | 2500 | — | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2011 | Ram | 3500 | Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2011 | Ram | 3500 | Extended Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2011 | Ram | 3500 | Standard Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2010 | Dodge | Ram 2500 | — | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2010 | Dodge | Ram 3500 | Standard Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2010 | Dodge | Ram 3500 | Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2010 | Dodge | Ram 3500 | Extended Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2009 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2009 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2009 | Dodge | Ram 2500 | — | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2009 | Dodge | Ram 3500 | Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2009 | Dodge | Ram 3500 | Extended Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2009 | Dodge | Ram 3500 | Standard Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2008 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2008 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2008 | Dodge | Ram 2500 | — | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2008 | Dodge | Ram 3500 | Extended Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2008 | Dodge | Ram 3500 | Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2008 | Dodge | Ram 3500 | Standard Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2007 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2007 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2007 | Dodge | Ram 2500 | — | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2007 | Dodge | Ram 3500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2007 | Dodge | Ram 3500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2007 | Dodge | Ram 3500 | Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2007 | Dodge | Ram 3500 | Extended Crew Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2007 | Dodge | Ram 3500 | Standard Cab Pickup | 6.7L | L6 | — | — | N/A | Aftermarket Design |
| 2006 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2006 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2006 | Dodge | Ram 3500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2006 | Dodge | Ram 3500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2005 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2005 | Dodge | Ram 2500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2005 | Dodge | Ram 3500 | — | 5.9L | L6 | DIESEL | 140.5" | N/A | 140.50", 160.50" W.B. |
| 2005 | Dodge | Ram 3500 | — | 5.9L | L6 | DIESEL | 160.5" | N/A | 140.50", 160.50" W.B. |
| 2002 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2002 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2002 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2002 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2002 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2002 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2001 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2001 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2001 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2001 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2001 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2001 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2000 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2000 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2000 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2000 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2000 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 2000 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1999 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1999 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1999 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1999 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1999 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 139.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1999 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1998 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 138.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1998 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1998 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1998 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1998 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 139.0" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1998 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 154.7" | N/A | Ram 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab |
| 1997 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | over 8800 lbs. G.V.W. |
| 1997 | Dodge | Ram 2500 | Extended Cab Pickup | 5.9L | L6 | — | 154.7" | N/A | — |
| 1997 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | over 8800 lbs. G.V.W. |
| 1997 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 139.0" | N/A | — |
| 1997 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 163.0" | N/A | — |
| 1996 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 134.7" | N/A | over 8800 lbs. G.V.W. |
| 1996 | Dodge | Ram 2500 | Extended Cab Pickup | 5.9L | L6 | — | 155.0" | N/A | — |
| 1996 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | over 8800 lbs. G.V.W. |
| 1996 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 139.0" | N/A | — |
| 1996 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 163.0" | N/A | — |
| 1995 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 135.0" | N/A | over 8800 lbs. G.V.W. |
| 1995 | Dodge | Ram 2500 | Extended Cab Pickup | 5.9L | L6 | — | 155.0" | N/A | — |
| 1995 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | over 8800 lbs. G.V.W. |
| 1995 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 139.0" | N/A | — |
| 1995 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 163.0" | N/A | — |
| 1994 | Dodge | Ram 2500 | — | 5.9L | L6 | — | 135.0" | N/A | over 8800 lbs. G.V.W.; after 9-27-93 |
| 1994 | Dodge | Ram 3500 | — | 5.9L | L6 | — | 135.0" | N/A | over 8800 lbs. G.V.W.; after 9-27-93 |
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