- 1963–70s (varies) Single-source
Oil bath-pre cleaner
Also described as Air cleanerAir filter, heavy-dutyAir cleaner, high-capacity
Also documented for CadillacGMC
Documented applications
- 2002–2006 Factory-verifiedGM Heritage factory kit — 2002 Chevrolet Avalanche, p.54.GM Heritage factory kit — 2003 Chevrolet Avalanche, p.132.GM Heritage factory kit — 2005 Chevrolet Avalanche, p.33.
- 2007–2009 Factory-verifiedGM Heritage factory kit — 2007 Chevrolet Avalanche, p.30.
- 1996–2000 Factory-verifiedGM Heritage factory kit — 1996 Chevrolet Truck, p.58.GM Heritage factory kit — 1997 Chevrolet Truck, p.23.
- 2027 Factory-verified
- 1999–2007 Factory-verifiedGM Heritage factory kit — 2000 Chevrolet Truck and Silverado, p.57.GM Heritage factory kit — 2007 Chevrolet Silverado, p.60.
- 2009 Factory-verified
- 2001–2007 Factory-verifiedGM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62.GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.192.
- 2007–2009, 2014 Factory-verified
- 2016–2019 Factory-verified
2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
- 2023, 2025–2027 Factory-verified
only in: 2500 HD, 3500 HD, 3500 HD chassis cab
- 2015, 2017 Factory-verified
- 2020, 2022–2026 Factory-verified
the 2020 list reads "high-capacity";
- 1996–1999 Factory-verifiedGM Heritage factory kit — 1996 Chevrolet Suburban, p.7.GM Heritage factory kit — 1997 Chevrolet Suburban, p.14.
- 2000–2006 Factory-verifiedGM Heritage factory kit — 2000 Chevrolet Suburban, p.47.GM Heritage factory kit — 2001 Chevrolet Suburban, p.51.GM Heritage factory kit — 2003 Chevrolet Suburban, p.38.GM Heritage factory kit — 2004 Chevrolet Suburban, p.41.GM Heritage factory kit — 2005 Chevrolet Suburban, p.140.
- 2007–2009, 2014 Factory-verified
Trim marks in the 2014 guide: LT: O.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.33.
- 2015–2019 Factory-verified
LT: A, only with Z71; LS, LTZ: not available; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: Z71: S
- 1996–1999 Factory-verifiedGM Heritage factory kit — 1996 Chevrolet Tahoe, p.18.GM Heritage factory kit — 1997 Chevrolet Tahoe, p.14.GM Heritage factory kit — 1998 Chevrolet Tahoe, p.42.GM Heritage factory kit — 1999 Chevrolet Tahoe, p.14.
- 2000–2006 Factory-verifiedGM Heritage factory kit — 2000 Chevrolet Tahoe, p.47.GM Heritage factory kit — 2001 Chevrolet Tahoe, p.44.GM Heritage factory kit — 2003 Chevrolet Tahoe, p.31.GM Heritage factory kit — 2005 Chevrolet Tahoe, p.115.GM Heritage factory kit — 2006 Chevrolet Tahoe, p.113.
- 2007–2009, 2014 Factory-verifiedGM Heritage factory kit — 2007 Chevrolet Tahoe, p.28, p.181.
- 2015–2019 Factory-verified
LT: A, only with Z71; LS, LTZ: not available; 2016: Police Vehicle, Special Service: S; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: FL, Z71, Police Package, Special Service: S
This page aggregates every documented appearance of K47 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.