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SAP-K056649 AIR COMPRESOR (SINGLE CYLINDER, BA921 STYLE, CATERPILLAR C7 / C9 / C11 / C13 / C15 / C18 ENGINES)

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Technical Specifications

Part Type Single Cylinder Air Compressor (BA921 Style)
Part Number SAP-K056649
Brand / Line SAP
Description Heavy-duty single cylinder air compressor – BA921 style, direct drive, water-cooled, 42T drive gear with jet port
Cylinder Bore Ø 92 mm
Stroke 54 mm
Displacement 360 cm³
Number of Cylinders 1
Air Outlet Port M26 x 1.5
Drive Gear 42 Tooth (42T) with jet port
Drive Type Direct Drive
Cooling Water Cooled
Application Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines on heavy-duty trucks

Cross References

Brand Part Number
SAP SAP-K056649
Knorr-Bremse / Bendix K056649, K056649X (remanufactured)
Caterpillar (Genuine) K056649
Automann 170.ACK056649
Application BA921 Style Single Cylinder Air Compressor – Caterpillar C-Series (42T gear)

Vehicle Fitment

Make Model Model Years Notes
FREIGHTLINER Cascadia 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
Century Class 2008, 2009, 2010, 2011, 2012 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
Columbia 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
Coronado 2008, 2009, 2010, 2011, 2012, 2013, 2016 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
Classic / Classic XL 2008, 2009, 2010, 2011 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
KENWORTH T800 / W900 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
T600 2008, 2009, 2010 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
T2000 2008, 2009, 2010, 2011, 2012 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
C500 2008, 2009, 2010 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
PETERBILT 379 / 389 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
387 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
386 / 388 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
INTERNATIONAL / NAVISTAR ProStar / LoneStar 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
9200i / 9400i / 9900i 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
4300 / 4400 / 4700 / 4900 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Caterpillar C7 / C9 / C11 / C13 / C15 / C18 engines
Notes SAP BA921-style single cylinder air compressor (Knorr-Bremse / Bendix K056649 equivalent) with 42T drive gear and jet port. Designed specifically for Caterpillar C7, C9, C11, C13, C15, and C18 engines. Also fits Western Star, Sterling, Mack, and Volvo models equipped with compatible Caterpillar powerplants.

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SAP-K056649 AIR COMPRESOR (SINGLE CYLINDER, BA921 STYLE, CATERPILLAR C7 / C9 / C11 / C13 / C15 / C18 ENGINES)

$898.93