
Article number: TA52012 AAASTAND's product is cross-referenced with this one.
The belt tensioner pulley helps maintain proper tension in the engine's belts, ensuring they operate smoothly and effectively, reducing wear and improving performance.
Tailored for wholesale and OEM needs, our VKM 13253 support OE number cross-reference. Please consult our sales team for MOQ and procurement details.
Details
Diameter [mm] 60 |
Width [mm] 25 |
Tensioner Pulley Actuation Automatic |
OEM Numbers
Interchange Numbers
Vehicle Fitment
Make | Model | Type | Engine Code | Capacity | Fuel Type | Year | Power |
---|
PEUGEOT | 306 Hatchback (7A, 7C, N3, N5) | 1.4 | KDX (TU3MC),KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1993-04-01 2001-07-01 |
55 KW / 75 PS |
PEUGEOT | 306 (7B, N3, N5) | 1.4 SL | KDX (TU3MC),KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1994-06-01 2001-05-01 |
55 KW / 75 PS |
CITROËN | SAXO (S0, S1) | 1.4 VTS | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1996-05-01 2003-06-01 |
55 KW / 75 PS |
CITROËN | BERLINGO / BERLINGO FIRST Box Body/MPV (M_) | 1.1 i (MAHDZ, MBHDZ, MBHFX) | HDZ (TU1M),HFX (TU1JP) | 1124 CCM / 1.1 L | Petrol | 1996-07-01 2008-03-01 |
44 KW / 60 PS |
CITROËN | BERLINGO / BERLINGO FIRST Box Body/MPV (M_) | 1.4 i (MBKFX, MBKFW) | KFX (TU3JP),KFW (TU3JP),KFW (TU3A) | 1360 CCM / 1.4 L | Petrol | 1996-07-01 2011-12-01 |
55 KW / 75 PS |
PEUGEOT | 106 II (1A_, 1C_) | 1.1 i | HFX (TU1JP),HDZ (TU1M+) | 1124 CCM / 1.1 L | Petrol | 1996-05-01 2004-07-01 |
44 KW / 60 PS |
PEUGEOT | 106 II (1A_, 1C_) | 1.4 i | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1996-05-01 2004-07-01 |
55 KW / 75 PS |
CITROËN | BERLINGO / BERLINGO FIRST MPV (MF_, GJK_, GFK_) | 1.4 i (MFKFX, MFKFW, GJKFWB, GJKFWC, GFKFWC) | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1996-07-01 2011-12-01 |
55 KW / 75 PS |
CITROËN | BERLINGO / BERLINGO FIRST MPV (MF_, GJK_, GFK_) | 1.1 i (MFHDZ, MFHFX) | HDZ (TU1M),HFX (TU1JP) | 1124 CCM / 1.1 L | Petrol | 1996-07-01 2008-05-01 |
44 KW / 60 PS |
PEUGEOT | PARTNER Box Body/MPV (5_, G_) | 1.1 | HDZ (TU1M) | 1124 CCM / 1.1 L | Petrol | 1996-06-01 2005-09-01 |
44 KW / 60 PS |
PEUGEOT | PARTNER Box Body/MPV (5_, G_) | 1.4 | KFX (TU3JP),TU32,KFW (TU3A) | 1360 CCM / 1.4 L | Petrol | 1996-06-01 2015-12-01 |
55 KW / 75 PS |
PEUGEOT | PARTNER MPV (5_, G_) | 1.1 | HDZ (TU1M),HFX (TU1JP) | 1124 CCM / 1.1 L | Petrol | 1996-06-01 2002-10-01 |
44 KW / 60 PS |
PEUGEOT | PARTNER MPV (5_, G_) | 1.4 | KFX (TU3JP),KFW (TU3JP),KFW (TU3A) | 1360 CCM / 1.4 L | Petrol | 1996-06-01 2015-12-01 |
55 KW / 75 PS |
PEUGEOT | 306 Break (7E, N3, N5) | 1.4 | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1997-03-01 2002-04-01 |
55 KW / 75 PS |
CITROËN | XSARA (N1) | 1.4 i | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1997-04-01 2005-03-01 |
55 KW / 75 PS |
CITROËN | XSARA Break (N2) | 1.4 i | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1997-10-01 2005-08-01 |
55 KW / 75 PS |
PEUGEOT | 206+ (2L_, 2M_) | 1.4 i | KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2010-09-01 2013-06-01 |
54 KW / 73 PS |
PEUGEOT | 206 Hatchback (2A/C) | 1.1 i | HFZ (TU1JP),HFX (TU1JP) | 1124 CCM / 1.1 L | Petrol | 1998-09-01 2007-02-01 |
44 KW / 60 PS |
PEUGEOT | 206 Hatchback (2A/C) | 1.4 i | KFX (TU3JP),KFW (TU3JP),KFW (TU3A) | 1360 CCM / 1.4 L | Petrol | 1998-09-01 2012-12-01 |
55 KW / 75 PS |
PEUGEOT | 206 Hatchback (2A/C) | 1.4 LPG | KFV (TU3JP) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 2006-05-01 2007-09-01 |
55 KW / 75 PS |
PEUGEOT | 207 Saloon | 1.4 | KFV (TU3A),KFT (TU3A) | 1360 CCM / 1.4 L | Petrol | 2007-12-01 2012-12-01 |
54 KW / 73 PS |
PEUGEOT | 207 Saloon | 1.4 Flex | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Ethanol | 2008-11-01 2014-12-01 |
60 KW / 82 PS |
CITROËN | SAXO (S0, S1) | 1.1 X, SX | HDZ (TU1M),HFX (TU1JP) | 1124 CCM / 1.1 L | Petrol | 1996-05-01 2003-09-01 |
44 KW / 60 PS |
CITROËN | C3 II (SC_) | 1.1 BiFuel | HFX (TU1A) | 1124 CCM / 1.1 L | Petrol/Liquified Petroleum Gas (LPG) | 2010-11-01 |
44 KW / 60 PS |
PEUGEOT | 207/207+ (WA_, WC_) | 1.4 | KFV (TU3A),KFW (TU3A) | 1360 CCM / 1.4 L | Petrol | 2008-08-01 2015-12-01 |
55 KW / 75 PS |
CITROËN | XSARA Coupe (N0) | 1.4 i | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1998-03-01 2005-03-01 |
55 KW / 75 PS |
PEUGEOT | 307 (3A/C) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2000-08-01 2003-09-01 |
55 KW / 75 PS |
CITROËN | C3 I (FC_, FN_) | 1.1 i | HFX (TU1JP),HFX (TU1A) | 1124 CCM / 1.1 L | Petrol | 2002-02-01 |
44 KW / 60 PS |
CITROËN | C3 I (FC_, FN_) | 1.4 i Bivalent | KFV (TU3JP) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2002-02-01 |
54 KW / 73 PS |
PEUGEOT | 206 SW (2E/K) | 1.1 | HFX (TU1JP) | 1124 CCM / 1.1 L | Petrol | 2002-07-01 2007-02-01 |
44 KW / 60 PS |
PEUGEOT | 206 SW (2E/K) | 1.4 | KFW (TU3JP),KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2002-07-01 2007-02-01 |
55 KW / 75 PS |
CITROËN | C3 Pluriel (HB_) | 1.4 | KFV (TU3JP),KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2003-05-01 |
54 KW / 73 PS |
CITROËN | C2 (JM_) | 1.1 | HFX (TU1JP),HFX (TU1A) | 1124 CCM / 1.1 L | Petrol | 2003-09-01 2012-09-01 |
44 KW / 60 PS |
CITROËN | C2 (JM_) | 1.4 | KFV (TU3JP),KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2003-09-01 2009-12-01 |
54 KW / 73 PS |
PEUGEOT | PARTNER Box Body/MPV (5_, G_) | 1.4 BiFuel | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2003-04-01 2006-10-01 |
55 KW / 75 PS |
CITROËN | BERLINGO / BERLINGO FIRST Box Body/MPV (M_) | 1.4 i bivalent (MBKFW) | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2003-04-01 2005-10-01 |
55 KW / 75 PS |
CITROËN | BERLINGO / BERLINGO FIRST MPV (MF_, GJK_, GFK_) | 1.4 i bivalent (MFKFW) | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2003-04-01 2008-10-01 |
55 KW / 75 PS |
PEUGEOT | 1007 (KM_) | 1.4 | KFV (TU3JP),KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2005-04-01 |
54 KW / 75 PS |
CITROËN | BERLINGO / BERLINGO FIRST MPV (MF_, GJK_, GFK_) | 1.4 bivalent | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2002-11-01 2011-12-01 |
48 KW / 65 PS |
CITROËN | BERLINGO / BERLINGO FIRST Box Body/MPV (M_) | 1.4 bivalent | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2002-11-01 2011-12-01 |
48 KW / 65 PS |
PEUGEOT | 207/207+ (WA_, WC_) | 1.4 | KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2006-02-01 2013-10-01 |
53 KW / 72 PS |
PEUGEOT | 206 Saloon | 1.4 | KFW (TU3JP),KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2007-03-01 |
55 KW / 75 PS |
PEUGEOT | 307 SW (3H) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2002-04-01 2003-09-01 |
55 KW / 75 PS |
PEUGEOT | 307 Break (3E) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2002-04-01 2003-09-01 |
55 KW / 75 PS |
PEUGEOT | 206 Hatchback (2A/C) | 1.1 | HFY (TU1JP) | 1124 CCM / 1.1 L | Petrol | 1998-08-01 2000-07-01 |
40 KW / 54 PS |
CITROËN | C3 I (FC_, FN_) | 1.4 i | KFV (TU3JP),KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2002-02-01 2010-11-01 |
54 KW / 73 PS |
PEUGEOT | 207 SW (WK_) | 1.4 | KFV (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2007-06-01 2012-12-01 |
54 KW / 73 PS |
CITROËN | NEMO Box Body/MPV (AA_) | 1.4 | KFV (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2008-02-01 |
54 KW / 73 PS |
PEUGEOT | BIPPER (AA_) | 1.4 | KFV (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2008-02-01 |
54 KW / 73 PS |
FIAT | FIORINO Box Body/MPV (225_) | 1.4 (225BXA1A, 225BXF1A) | KFV,KFT | 1360 CCM / 1.4 L | Petrol | 2007-11-01 |
54 KW / 73 PS |
PEUGEOT | PARTNER Box Body/MPV (5_, G_) | 1.4 | KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2002-11-01 2006-10-01 |
54 KW / 73 PS |
CITROËN | BERLINGO / BERLINGO FIRST MPV (MF_, GJK_, GFK_) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2002-11-01 2005-10-01 |
53 KW / 72 PS |
PEUGEOT | PARTNER MPV (5_, G_) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2002-11-01 2006-10-01 |
54 KW / 73 PS |
FIAT | QUBO (225_) | 1.4 (225AXA1A) | KFV,KFT | 1360 CCM / 1.4 L | Petrol | 2008-02-01 |
54 KW / 73 PS |
PEUGEOT | 206 Hatchback (2A/C) | 1.4 CNG | KFW (TU3A) | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2006-05-01 2007-09-01 |
55 KW / 75 PS |
CITROËN | NEMO MPV | 1.4 | KFV (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2009-04-01 |
54 KW / 73 PS |
PEUGEOT | BIPPER TEPEE | 1.4 | KFV (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2008-04-01 |
54 KW / 73 PS |
CITROËN | C2 (JM_) | 1.4 | KFV (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2006-10-01 2009-12-01 |
55 KW / 75 PS |
CITROËN | C3 II (SC_) | 1.1 i | HFX (TU1A),HFV (TU1A) | 1124 CCM / 1.1 L | Petrol | 2009-09-01 2013-01-01 |
44 KW / 60 PS |
CITROËN | C3 II (SC_) | 1.4 | K6E (TU3A),KFT (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2009-11-01 2016-09-01 |
54 KW / 73 PS |
PEUGEOT | 206+ (2L_, 2M_) | 1.1 | HFX (TU1A) | 1124 CCM / 1.1 L | Petrol | 2009-01-01 2013-06-01 |
44 KW / 60 PS |
PEUGEOT | 206+ (2L_, 2M_) | 1.4 i (2LKFWA, 2MKFWA) | KFW (TU3A) | 1360 CCM / 1.4 L | Petrol | 2009-01-01 2013-08-01 |
55 KW / 75 PS |
CITROËN | XSARA (N1) | 1.4 LPG | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 1998-05-01 2000-08-01 |
55 KW / 75 PS |
PEUGEOT | 306 Estate Van (N_, 7_) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1996-03-01 2001-07-01 |
55 KW / 75 PS |
PEUGEOT | 207/207+ (WA_, WC_) | 1.4 | KFV (TU3A),KFT (TU3A),KFT (TU3AE5) | 1360 CCM / 1.4 L | Petrol | 2006-04-01 2013-10-01 |
54 KW / 73 PS |
PEUGEOT | 206 SW (2E/K) | 1.4 LPG | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 2002-07-01 2007-02-01 |
55 KW / 75 PS |
PEUGEOT | 207 Hatchback Van (WA_, WC_) | 1.4 | KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2007-06-01 2008-10-01 |
54 KW / 74 PS |
CITROËN | C3 Pluriel (HB_) | 1.4 | KFV (TU3A) | 1360 CCM / 1.4 L | Petrol | 2003-07-01 |
55 KW / 75 PS |
CITROËN | C3 II (SC_) | 1.4 LPG | KFT (TU3A) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 2010-07-01 |
54 KW / 73 PS |
PEUGEOT | 306 Hatchback Van | 1.4 | KFX (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1996-03-01 2001-07-01 |
55 KW / 75 PS |
CITROËN | XSARA Estate Van | 1.4 | KFX (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2000-09-01 2005-03-01 |
55 KW / 75 PS |
CITROËN | XSARA Hatchback Van (N3_) | 1.4 LPG | KFX (TU3JP) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 1999-06-01 2000-08-01 |
55 KW / 75 PS |
PEUGEOT | 206+ (2L_, 2M_) | 1.1 LPG | HFX (TU1JP),HFX (TU1A) | 1124 CCM / 1.1 L | Petrol/Liquified Petroleum Gas (LPG) | 2009-04-01 2013-06-01 |
44 KW / 60 PS |
PEUGEOT | 207 SW (WK_) | 1.4 LPG | KFV (TU3A) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 2007-08-01 2012-12-01 |
54 KW / 73 PS |
CITROËN | C3 I (FC_, FN_) | 1.1 LPG | HFX (TU1A) | 1124 CCM / 1.1 L | Petrol/Liquified Petroleum Gas (LPG) | 2006-06-01 2009-12-01 |
44 KW / 60 PS |
CITROËN | BERLINGO / BERLINGO FIRST Box Body/MPV (M_) | 1.4 BiFuel (MBKFXB, MCKFXB) | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 1996-07-01 2002-10-01 |
55 KW / 75 PS |
CITROËN | C3 I (FC_, FN_) | 1.4 BiFuel | KFV (TU3JP) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 2008-09-01 2009-12-01 |
54 KW / 73 PS |
CITROËN | BERLINGO / BERLINGO FIRST Box Body/MPV (M_) | 1.4 i | KFX (TU3JP),KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 1999-08-01 2008-05-01 |
57 KW / 77 PS |
PEUGEOT | 207/207+ (WA_, WC_) | 1.4 BiFuel | KFV (TU3A) | 1360 CCM / 1.4 L | Petrol/Liquified Petroleum Gas (LPG) | 2007-08-01 2013-12-01 |
54 KW / 73 PS |
CITROËN | C3 I (FC_, FN_) | 1.4 i Bivalent | 1360 CCM / 1.4 L | Petrol/Compressed Natural Gas (CNG) | 2008-01-01 2009-12-01 |
49 KW / 67 PS | |
PEUGEOT | 206 Van | 1.1 | HFZ (TU1JP) | 1124 CCM / 1.1 L | Petrol | 2002-09-01 2007-02-01 |
44 KW / 60 PS |
CITROËN | C2 ENTERPRISE (JG_) | 1.1 | HFX (TU1JP),HFX (TU1A) | 1124 CCM / 1.1 L | Petrol | 2003-11-01 2009-12-01 |
44 KW / 60 PS |
PEUGEOT | PARTNER ORIGIN MPV (G_) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2008-07-01 2013-12-01 |
55 KW / 75 PS |
PEUGEOT | PARTNER ORIGIN Box Body/MPV (G_) | 1.4 | KFW (TU3JP) | 1360 CCM / 1.4 L | Petrol | 2008-08-01 2015-12-01 |
55 KW / 75 PS |
FIAT | FIORINO MPV (225_) | 1.4 (225BXA1A) | KFV,KFT | 1360 CCM / 1.4 L | Petrol | 2007-11-01 |
54 KW / 73 PS |
Overview
Car models | PEUGEOT 306 Hatchback (7A, 7C, N3, N5); PEUGEOT 306 (7B, N3, N5); CITROËN SAXO (S0, S1); CITROËN BERLINGO / BERLINGO FIRST Box Body/MPV (M_); PEUGEOT 106 II (1A_, 1C_); CITROËN BERLINGO / BERLINGO FIRST MPV (MF_, GJK_, GFK_); PEUGEOT PARTNER Box Body/MPV (5_, G_); PEUGEOT PARTNER MPV (5_, G_); PEUGEOT 306 Break (7E, N3, N5); CITROËN XSARA (N1); CITROËN XSARA Break (N2); PEUGEOT 206+ (2L_, 2M_); PEUGEOT 206 Hatchback (2A/C); PEUGEOT 207 Saloon; CITROËN C3 II (SC_); PEUGEOT 207/207+ (WA_, WC_); CITROËN XSARA Coupe (N0); PEUGEOT 307 (3A/C); CITROËN C3 I (FC_, FN_); PEUGEOT 206 SW (2E/K); CITROËN C3 Pluriel (HB_); CITROËN C2 (JM_); PEUGEOT 1007 (KM_); PEUGEOT 206 Saloon; PEUGEOT 307 SW (3H); PEUGEOT 307 Break (3E); PEUGEOT 207 SW (WK_); CITROËN NEMO Box Body/MPV (AA_); PEUGEOT BIPPER (AA_); FIAT FIORINO Box Body/MPV (225_); FIAT QUBO (225_); CITROËN NEMO MPV; PEUGEOT BIPPER TEPEE; PEUGEOT 306 Estate Van (N_, 7_); PEUGEOT 207 Hatchback Van (WA_, WC_); PEUGEOT 306 Hatchback Van; CITROËN XSARA Estate Van; CITROËN XSARA Hatchback Van (N3_); PEUGEOT 206 Van; CITROËN C2 ENTERPRISE (JG_); PEUGEOT PARTNER ORIGIN MPV (G_); PEUGEOT PARTNER ORIGIN Box Body/MPV (G_); FIAT FIORINO MPV (225_) |
Engines | KDX (TU3MC),KFX (TU3JP),KFW (TU3JP); KFX (TU3JP),KFW (TU3JP); HDZ (TU1M),HFX (TU1JP); KFX (TU3JP),KFW (TU3JP),KFW (TU3A); HFX (TU1JP),HDZ (TU1M+); HDZ (TU1M); KFX (TU3JP),TU32,KFW (TU3A); KFT (TU3AE5); HFZ (TU1JP),HFX (TU1JP); KFV (TU3JP); KFV (TU3A),KFT (TU3A); KFW (TU3JP); HFX (TU1A); KFV (TU3A),KFW (TU3A); HFX (TU1JP),HFX (TU1A); HFX (TU1JP); KFW (TU3JP),KFV (TU3A); KFV (TU3JP),KFV (TU3A); KFV (TU3A); HFY (TU1JP); KFV (TU3A),KFT (TU3AE5); KFV,KFT; KFW (TU3A); HFX (TU1A),HFV (TU1A); K6E (TU3A),KFT (TU3A),KFT (TU3AE5); KFV (TU3A),KFT (TU3A),KFT (TU3AE5); KFT (TU3A); KFX (TU3JP); ; HFZ (TU1JP) |
Engine power (horsepower) | 54-82 HP |
Power (kilowatts) | 40-60 KW |
Year of manufacture | 1993-2016 |
FAQs
It maintains the correct tension on the serpentine belt, ensuring proper alignment and preventing belt slippage.
Symptoms include belt chirping noises, misalignment issues, and excessive wear on the belt.
It can lead to reduced engine efficiency, overheating, and potential failure of driven components.