In stock
Part Number | SKU
CO4378C

Freightliner AC Compressor | 3011771

$9,999.00

Aftermarket Freightliner AC compressor replaces OEM 3011771 & more. Built to OEM standards for long lasting performance and backed by a 2-year warranty.

Freightliner AC Compressor | 3011771

Upgrade your Freightliner truck’s HVAC system with the reliable A/C compressor 3011771 from American Radiator. Designed for demanding commercial and vocational applications, this premium air conditioning compressor restores powerful, consistent cooling to keep drivers comfortable and systems operating efficiently—mile after mile.

The 3011771 compressor is engineered to meet or surpass OEM specifications, offering a seamless, direct-fit installation without modification. Built for durability, it features a rugged clutch assembly, balanced internal components, and an efficient compression mechanism engineered for heavy-duty performance under extreme conditions.

A properly functioning A/C compressor is essential to maintaining cabin comfort and system integrity by regulating refrigerant pressure, preserving airflow, and protecting critical components such as the evaporator, condenser, and receiver drier from damage. This model ensures long-term reliability and peak cooling capacity, even in high-temperature or dusty environments.

Backed by the industry reputation of American Radiator, the A/C compressor 3011771 delivers professional-grade quality, extended service life, and optimal system performance. Choose this compressor for durable protection, consistent cooling power, and long-term comfort on every route.

Freightliner AC Compressor Features:

Designed to meet or exceed OEM specifications
Direct-fit replacement - designed for any Freightliner model
2-year manufacturer warranty

Freightliner AC Compressor Specs:

Pulley Diameter: 126mm
Voltage: 12V
Grooves: 12

Please confirm your OEM or Aftermarket number matches before ordering.

030624
2004378
3004268
3011771
4378
54378
7512884
C3028
SKI4378

Shipping & Returns

Famous Same-Day Shipping: In-stock items typically ship the same day when ordered by 3 PM CST Monday through Friday
30-Day Return Policy: Eligible items can be returned within 30 days (some exclusions apply)

Why Buy From American Radiator?

Trust American Radiator, your reliable source for quality cooling solutions since 2001. With roots in the industry dating back to the 1970s, our team brings decades of experience delivering high-performance radiators, charge air coolers, and DPF systems at competitive prices.

We work directly with trusted domestic and international manufacturers that supply OEM-grade components, ensuring every product meets or exceeds original equipment standards. Whether you need a heavy-duty truck radiator or a replacement for your Freightliner AC compressor, we’re committed to providing durable, cost-effective solutions that perform.

Have questions? Contact our experienced inside sales team at 877-349-5491 for expert guidance and fast, friendly support.

More Information
Part Number | SKU CO4378C
OEM | Aftermarket Numbers 030624 2004378 3004268 3011771 4378 54378 7512884 C3028 SKI4378

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