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You Are Buying 
Brand : ISUMO™ 
Aftermarket Premium High Quality
Belt Tensioner Assembly
Quantity: 1 Piece
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Part# 
BT427
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Cross-Reference
5096525AA
68020888AA 
A0002020919
419-019
419019
1122000070
1122000170
1122000370
1122000870
1122000970
38174M 
38174 
49262 
89335FN 
89335
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Specifications:
OE Comparison RatingOE Exact
Number of Pulleys1
MaterialThermoplastic
Contact SurfaceSmooth/Backside
Pulley 1 FlangedNo
Outside Diameter (in)3.54
Outside Diameter (mm)90
Bearing Bore Inside Diameter 1 (in)0.67
Bearing Bore Inside Diameter 1 (mm)17
Width (in)1.02
Width (mm)26
Belt TypeV-Ribbed
Number of Mounting Holes2
ContentsTensioner Assy.
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Fits:
CHRYSLERCROSSFIRE2004-2008
MERCEDES-BENZC2402001-2005
MERCEDES-BENZC2801998-2000
MERCEDES-BENZC3202001-2005
MERCEDES-BENZC43 AMG1998-2000
MERCEDES-BENZC55 AMG2005-2006
MERCEDES-BENZCL5001999-2006
MERCEDES-BENZCL55 AMG2001-2006
MERCEDES-BENZCLK3201998-2005
MERCEDES-BENZCLK4301999-2003
MERCEDES-BENZCLK5002003-2006
MERCEDES-BENZCLK55 AMG2001-2006
MERCEDES-BENZCLS5002006
MERCEDES-BENZCLS55 AMG2006
MERCEDES-BENZE3201998-2005
MERCEDES-BENZE4301998-2002
MERCEDES-BENZE5002003-2006
MERCEDES-BENZE55 AMG1999-2006
MERCEDES-BENZG5002002-2008
MERCEDES-BENZG55 AMG2003-2011
MERCEDES-BENZML3201998-2003
MERCEDES-BENZML3502003-2005
MERCEDES-BENZML4301999-2001
MERCEDES-BENZML5002002-2007
MERCEDES-BENZML55 AMG2000-2003
MERCEDES-BENZR5002006-2007
MERCEDES-BENZS3502006
MERCEDES-BENZS4302000-2006
MERCEDES-BENZS5002000-2006
MERCEDES-BENZS55 AMG2001-2006
MERCEDES-BENZSL5001999-2006
MERCEDES-BENZSL55 AMG2003-2008
MERCEDES-BENZSLK3202001-2004
MERCEDES-BENZSLK55 AMG2005-2010
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