Rubber Hump Reducer 2.76" to 3.5" Diameter Pack of 4

Easily handle mid-size diameter transitions with this Rubber Hump Reducer set. Designed to connect 2.76-inch and 3.5-inch piping, these flexible reducers absorb engine movement, vibration, and chassis flex to help reduce stress on connected components while maintaining a secure, leak-resistant seal. Ideal for charge air, coolant, and custom piping applications, these durable rubber reducers provide reliable performance in demanding environments. Made in the USA and sold as a convenient pack of four, they are an excellent solution for both current installations and future maintenance needs.

Features

• Sold as a pack of 4
• Made in the USA
• Flexible hump design absorbs vibration and movement
• Helps reduce stress on connected piping and components
• Provides a secure, leak-resistant seal
• 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): 3.5" (89 mm)
• Length: 4.02" (102 mm)
• Material: Rubber
• Made in the USA
• Sold as a Pack of Four

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 3.5" reducer connection

Direct aftermarket replacement for OEM #s:

• 853521216
• 2503722
• 590066
• HD0883
• 021974
• 21974
• X112485
• 90953K
• 64568889
• 703325
• 703325A
• 00812044
• 812044

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.