belt tensioner used on VOLVO S40,S60,S70,S80,V40,V70,XC70/90 OE: 31251250 30637141 30757057 APV2297 9497331 ... OD.70mm belt tensioner used on VOLVO S40,S60,S70,S80,V40,V70,XC70/90OEM number: 31251250306371413075705794973319125571 Other cross reference:DAYCO ... .0 2.3 2.4 2.5 (1999-2000)VOLVO S80 2.0 2.4 2.8 2.9 (1999-2008 ... competitive price. Belt tensioner used on VOLVO S40,S60,S70,S80,V40,V70,XC70/90