Rubber Hump Reducer 2.79" to 4.02" Diameter Pack of 3

Bridge different pipe sizes with confidence using this heavy-duty Rubber Hump Reducer. Designed to connect 2.76-inch and 4.02-inch piping, the flexible hump construction absorbs engine movement, vibration, and chassis flex while maintaining a secure, leak-resistant seal. Ideal for charge air, coolant, and custom piping applications, these USA-made reducers help reduce stress on connected components and promote long service life. Sold as a convenient pack of three, they provide a dependable solution for maintenance, repairs, and custom installations.

Features

• Sold as a pack of 3
• Made in the USA
• Flexible hump design absorbs vibration and movement
• Helps reduce stress on connected piping and components
• Provides a secure, leak-resistant connection
• Ideal for charge air, coolant, and custom piping applications

Specifications

• Component Type: Rubber Hump Reducer
• Inner Diameter (A): 2.76" (70 mm)
• Inner Diameter (B): 4.02" (102 mm)
• Length: 4.02" (102 mm)
• Material: Rubber
• Made in the USA
• Sold as a Pack of Three

Fitment

Verify OEM number prior to purchase.

Fits the following models:

• Universal fitment
• Charge air, coolant, and custom piping applications requiring a 2.76" to 4.02" reducer connection

Direct aftermarket replacement for OEM #s:

• 72271395
• 73126114
• NP520884AG
• P520885
• 9576P520884
• 72448
• 4003789
• 512C094
• 7413891
• 021976
• 21976
• 1009501
• 29321176
• 13000227
• 510774
• 810866000
• 1067680
• 00811231
• 811231

Important Information

• Verify OEM number(s) before purchase.
• Failure to notate damages on the BOL voids any claims process.
• See our shipping policies for more information.
• Any mention of OEM names, numbers, or descriptions is intended for verification purposes only and does not indicate that this is an OEM part.

If you should need additional truck parts and accessories, please don't hesitate to call our toll-free number: 1-888-888-7990.