HomeExhaust > Hardware, Fasteners and FittingsAP Exhaust H400 Exhaust Clamp
Part #: H400

AP Exhaust H400 Exhaust Clamp

⚙️ 87 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ram and Dodge, 2500, 3500, Ram 2500, and Ram 3500
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AP Exhaust H400 Exhaust Clamp Overview

The AP Exhaust H400 exhaust clamp is designed for secure and reliable exhaust system connections on Dodge Ram 2500 and Ram 3500 trucks. Constructed from mild steel with a natural finish, this clamp is engineered to fit 4-inch diameter pipes and features a 3/8-inch thread diameter for robust fastening.

  • Compatible with Dodge Ram 2500 and Ram 3500 models
  • Constructed from durable mild steel material
  • Natural finish for corrosion resistance
  • Fits exhaust pipes with a 4-inch diameter
  • 3/8-inch thread diameter for secure fastening

Durable Construction and Precise Fitment

The H400 exhaust clamp from AP Exhaust is manufactured using mild steel, providing strength and durability necessary for heavy-duty exhaust applications. Its natural finish offers basic protection against rust and corrosion, suitable for the demanding conditions faced by Dodge Ram 2500 and Ram 3500 trucks. The clamp is specifically designed to fit exhaust pipes with a 4-inch diameter, ensuring a tight and secure connection. The 3/8-inch thread diameter allows for reliable tightening and long-lasting hold, minimizing exhaust leaks and vibrations.

Applications and Problem Solving

  • Secures exhaust pipe connections on Dodge Ram 2500 and Ram 3500 trucks
  • Prevents exhaust leaks caused by loose or damaged clamps
  • Reduces exhaust system vibrations and rattling noises
  • Replaces worn or corroded exhaust clamps
  • Supports proper alignment of exhaust components

Installation Notes and Tips

When installing the AP Exhaust H400 clamp, ensure the exhaust pipes are clean and free of debris for optimal sealing. Position the clamp evenly around the 4-inch pipe diameter and tighten the 3/8-inch threaded fasteners gradually to avoid over-tightening, which can damage the pipe or clamp. Use appropriate tools to achieve a secure fit without stripping threads. Regular inspection is recommended to maintain exhaust system integrity.

Quality Assurance and Warranty

AP Exhaust manufactures the H400 exhaust clamp to meet industry standards for durability and fitment. While specific warranty details are not provided, AP Exhaust products are generally backed by quality control processes to ensure reliable performance on Dodge Ram 2500 and Ram 3500 vehicles. For best results, use this clamp as part of a properly maintained exhaust system.

BrandAP Exhaust
Part NumberH400
FinishNatural
MaterialMild Steel
Pipe Diameter (IN)4
Thread Diameter (IN)3/8

This part fits 87 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersFuel TypeWheel BasePositionNotes
2012Ram25006.7LL6N/AAftermarket Design
2012Ram3500Standard Cab Pickup6.7LL6N/AAftermarket Design
2012Ram3500Crew Cab Pickup6.7LL6N/AAftermarket Design
2012Ram3500Extended Crew Cab Pickup6.7LL6N/AAftermarket Design
2011Ram25006.7LL6N/AAftermarket Design
2011Ram3500Crew Cab Pickup6.7LL6N/AAftermarket Design
2011Ram3500Extended Crew Cab Pickup6.7LL6N/AAftermarket Design
2011Ram3500Standard Cab Pickup6.7LL6N/AAftermarket Design
2010DodgeRam 25006.7LL6N/AAftermarket Design
2010DodgeRam 3500Standard Cab Pickup6.7LL6N/AAftermarket Design
2010DodgeRam 3500Crew Cab Pickup6.7LL6N/AAftermarket Design
2010DodgeRam 3500Extended Crew Cab Pickup6.7LL6N/AAftermarket Design
2009DodgeRam 25005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2009DodgeRam 25005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2009DodgeRam 25006.7LL6N/AAftermarket Design
2009DodgeRam 3500Crew Cab Pickup6.7LL6N/AAftermarket Design
2009DodgeRam 3500Extended Crew Cab Pickup6.7LL6N/AAftermarket Design
2009DodgeRam 3500Standard Cab Pickup6.7LL6N/AAftermarket Design
2008DodgeRam 25005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2008DodgeRam 25005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2008DodgeRam 25006.7LL6N/AAftermarket Design
2008DodgeRam 3500Extended Crew Cab Pickup6.7LL6N/AAftermarket Design
2008DodgeRam 3500Crew Cab Pickup6.7LL6N/AAftermarket Design
2008DodgeRam 3500Standard Cab Pickup6.7LL6N/AAftermarket Design
2007DodgeRam 25005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2007DodgeRam 25005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2007DodgeRam 25006.7LL6N/AAftermarket Design
2007DodgeRam 35005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2007DodgeRam 35005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2007DodgeRam 3500Crew Cab Pickup6.7LL6N/AAftermarket Design
2007DodgeRam 3500Extended Crew Cab Pickup6.7LL6N/AAftermarket Design
2007DodgeRam 3500Standard Cab Pickup6.7LL6N/AAftermarket Design
2006DodgeRam 25005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2006DodgeRam 25005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2006DodgeRam 35005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2006DodgeRam 35005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2005DodgeRam 25005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2005DodgeRam 25005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2005DodgeRam 35005.9LL6DIESEL140.5"N/A140.50", 160.50" W.B.
2005DodgeRam 35005.9LL6DIESEL160.5"N/A140.50", 160.50" W.B.
2002DodgeRam 25005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2002DodgeRam 25005.9LL6134.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2002DodgeRam 25005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2002DodgeRam 35005.9LL6135.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2002DodgeRam 35005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2002DodgeRam 35005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2001DodgeRam 25005.9LL6134.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2001DodgeRam 25005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2001DodgeRam 25005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2001DodgeRam 35005.9LL6135.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2001DodgeRam 35005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2001DodgeRam 35005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2000DodgeRam 25005.9LL6134.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2000DodgeRam 25005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2000DodgeRam 25005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2000DodgeRam 35005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2000DodgeRam 35005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
2000DodgeRam 35005.9LL6135.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1999DodgeRam 25005.9LL6134.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1999DodgeRam 25005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1999DodgeRam 25005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1999DodgeRam 35005.9LL6135.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1999DodgeRam 35005.9LL6139.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1999DodgeRam 35005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1998DodgeRam 25005.9LL6138.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1998DodgeRam 25005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1998DodgeRam 25005.9LL6134.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1998DodgeRam 35005.9LL6135.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1998DodgeRam 35005.9LL6139.0"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1998DodgeRam 35005.9LL6154.7"N/ARam 2500, 3500; 5.9L Diesel Engine; 2WD & 4WD; 135", 139" & 155" W.B.; Exc. Chassis Cab
1997DodgeRam 25005.9LL6134.7"N/Aover 8800 lbs. G.V.W.
1997DodgeRam 2500Extended Cab Pickup5.9LL6154.7"N/A
1997DodgeRam 35005.9LL6135.0"N/Aover 8800 lbs. G.V.W.
1997DodgeRam 35005.9LL6139.0"N/A
1997DodgeRam 35005.9LL6163.0"N/A
1996DodgeRam 25005.9LL6134.7"N/Aover 8800 lbs. G.V.W.
1996DodgeRam 2500Extended Cab Pickup5.9LL6155.0"N/A
1996DodgeRam 35005.9LL6135.0"N/Aover 8800 lbs. G.V.W.
1996DodgeRam 35005.9LL6139.0"N/A
1996DodgeRam 35005.9LL6163.0"N/A
1995DodgeRam 25005.9LL6135.0"N/Aover 8800 lbs. G.V.W.
1995DodgeRam 2500Extended Cab Pickup5.9LL6155.0"N/A
1995DodgeRam 35005.9LL6135.0"N/Aover 8800 lbs. G.V.W.
1995DodgeRam 35005.9LL6139.0"N/A
1995DodgeRam 35005.9LL6163.0"N/A
1994DodgeRam 25005.9LL6135.0"N/Aover 8800 lbs. G.V.W.; after 9-27-93
1994DodgeRam 35005.9LL6135.0"N/Aover 8800 lbs. G.V.W.; after 9-27-93

* 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:

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