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SAP-K035912 AIR COMPRESOR (SINGLE CYLINDER, BA921 STYLE, DETROIT DD13 / DD15, MERCEDES OM471 / 473 ENGINES)

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Technical Specifications

Part Type Single Cylinder Air Compressor (BA921 Style)
Part Number SAP-K035912
Brand / Line SAP
Description Heavy-duty single cylinder air compressor – BA921 style, direct drive, water-cooled
Cylinder Bore Ø 92 mm
Stroke 54.00 mm
Displacement 360 cm³
Number of Cylinders 1
Air Delivery Port M26 x 1.5
Air Inlet Port Ø 34.50 mm
Water Delivery / Inlet Port M18 x 1.5
Through Drive Yes
Cooling Water Cooled Valve Plate
Application Detroit Diesel DD13 / DD15 and Mercedes-Benz OM 471 / 473 LA / 472 engines on heavy-duty trucks

Cross References

Brand Part Number
SAP SAP-K035912
Knorr-Bremse K035912, K035912X (remanufactured)
Bendix BA-921 (equivalent)
Automann 170.ACK035912
Application BA921 Style Single Cylinder Air Compressor – Detroit DD13/DD15 / Mercedes OM471/473

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 Detroit DD13 / DD15 engines
Century Class 2008, 2009, 2010, 2011, 2012 Detroit DD13 / DD15 engines
Columbia 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Detroit DD13 / DD15 engines
Coronado 2008, 2009, 2010, 2011, 2012, 2013, 2016 Detroit DD13 / DD15 engines
Classic / Classic XL 2008, 2009, 2010, 2011 Detroit DD13 / DD15 engines
KENWORTH T800 / W900 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Detroit DD13 / DD15 engines
T600 2008, 2009, 2010 Detroit DD13 / DD15 engines
T2000 2008, 2009, 2010, 2011, 2012 Detroit DD13 / DD15 engines
C500 2008, 2009, 2010 Detroit DD13 / DD15 engines
PETERBILT 379 / 389 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Detroit DD13 / DD15 engines
387 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Detroit DD13 / DD15 engines
386 / 388 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Detroit DD13 / DD15 engines
INTERNATIONAL / NAVISTAR ProStar / LoneStar 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Detroit DD13 / DD15 engines
9200i / 9400i / 9900i 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Detroit DD13 / DD15 engines
4300 / 4400 / 4700 / 4900 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Detroit DD13 / DD15 engines
Notes SAP BA921-style single cylinder air compressor (Knorr-Bremse K035912 equivalent). Direct replacement for Detroit Diesel DD13/DD15 and compatible Mercedes-Benz OM471/473 engines. Also fits Western Star, Sterling, Mack, and Volvo models with Detroit powerplants. Water-cooled with through-drive capability.

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SAP-K035912 AIR COMPRESOR (SINGLE CYLINDER, BA921 STYLE, DETROIT DD13 / DD15, MERCEDES OM471 / 473 ENGINES)

$1,003.57