Air Compresor (Single Cylinder, BA921 Style, Detroit DD13 / DD15, Mercedes OM471 / 473 Engines) - SAP-K035912
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Description
Air Compresor (Single Cylinder, BA921 Style, Detroit DD13 / DD15, Mercedes OM471 / 473 Engines).
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 |
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 |
| FREIGHTLINER | Century Class | 2008, 2009, 2010, 2011, 2012 | Detroit DD13 / DD15 engines |
| FREIGHTLINER | Columbia | 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | Detroit DD13 / DD15 engines |
| FREIGHTLINER | Coronado | 2008, 2009, 2010, 2011, 2012, 2013, 2016 | Detroit DD13 / DD15 engines |
| FREIGHTLINER | 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 |
| KENWORTH | T600 | 2008, 2009, 2010 | Detroit DD13 / DD15 engines |
| KENWORTH | T2000 | 2008, 2009, 2010, 2011, 2012 | Detroit DD13 / DD15 engines |
| KENWORTH | 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 |
| PETERBILT | 387 | 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Detroit DD13 / DD15 engines |
| PETERBILT | 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 |
| INTERNATIONAL / NAVISTAR | 9200i / 9400i / 9900i | 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | Detroit DD13 / DD15 engines |
| INTERNATIONAL / NAVISTAR | 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. | 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. | 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. |
Part Numbers & 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 |
Important Notes
Fitment Notes: Supplier claims; not independently verified
