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1988 Chevrolet C3500
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1988 Chevrolet C3500

1988 Chevrolet C3500 Accessory Belt Idler Pulleys

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Accessory Belt Idler Pulley, 17 mm ID, 76 mm Pulley Diameter, 31 mm Pulley Width, 20 mm Max Belt Width, Steel Material, Serpentine Type, Flat
Replacement
Accessory Belt Idler Pulley, 17 mm ID, 76 mm Pulley Diameter, 31 mm Pulley Width, 20 mm Max Belt Width, Steel Material, Serpentine Type, Flat
Part Number: REPC313813
Guaranteed to Fit
$9.72
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
Product Details
Notes : 1 bearing; 17 mm ID; 76 mm pulley diameter; 31 mm pulley width; 20 mm max belt width; Steel material; Serpentine type; FlatWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 419610, 5019, 5979, 36491, 38043, 38058, 45019, 45979, 49011, 49017, 49039, 49095, 50037, 89005, 89007, 89098, 154683, 154957, 154968, 154970, 4854092, 10069950, 10129560, 12557682, 12557838, 12564401, 12564506, 12569736, 12582004, 12587295, 24501383, 24502735, 24504818, 24506756, 24508594, 24508595, 24577515, 53010230, 8100699500, 8971064550, 1L2Z6B209AA, 1L5Z6B209AA, 3C2Z6B209BA, 3M4Z8678AB, 4792581AA, 4792581AB, 4854092AC, 4861533AB, 4L8Z6B209AA, 53013324AA, 53032129AA, 53032645AAReplaces OE Number : 5019, 5979, 36491, 38043, 38058, 45019, 45979, 49011, 49017, 49039, 49095, 50037, 89005, 89007, 89098, 154683, 154957, 154968, 154970, 4854092, 10069950, 10129560, 12557682, 12557838, 12564401, 12564506, 12569736, 12582004, 12587295, 24501383, 24502735, 24504818, 24506756, 24508594, 24508595, 24577515, 53010230, 8100699500, 8971064550, 1L2Z6B209AA, 1L5Z6B209AA, 3C2Z6B209BA, 3M4Z8678AB, 4792581AA, 4792581AB, 4854092AC, 4861533AB, 4L8Z6B209AA, 53013324AA, 53032129AA, 53032645AA, 53032645ACRecommended Use : OE ReplacementProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
Accessory Belt Idler Pulleys, 8 Cylinder, 5.7L Engine, Smooth Pulley, For Models with Air Conditioning
Replacement
Accessory Belt Idler Pulleys, 8 Cylinder, 5.7L Engine, Smooth Pulley, For Models with Air Conditioning
Part Number: SET-REPC313813-2
Guaranteed to Fit
$17.99
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
Product Details
Notes : 3 in. OD; 1.22 in. W; Flat; With steel flangeComponents : (2) Accessory Belt Idler PulleysWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Set of 2Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 419610, 5019, 5979, 36491, 38043, 38058, 45019, 45979, 49011, 49017, 49039, 49095, 50037, 89005, 89007, 89098, 154683, 154957, 154968, 154970, 4854092, 10069950, 10129560, 12557682, 12557838, 12564401, 12564506, 12569736, 12582004, 12587295, 24501383, 24502735, 24504818, 24506756, 24508594, 24508595, 24577515, 53010230, 8100699500, 8971064550, 1L2Z6B209AA, 1L5Z6B209AA, 3C2Z6B209BA, 3M4Z8678AB, 4792581AA, 4792581AB, 4854092AC, 4861533AB, 4L8Z6B209AA, 53013324AA, 53032129AA, 53032645AAReplaces OE Number : 5019, 5979, 36491, 38043, 38058, 45019, 45979, 49011, 49017, 49039, 49095, 50037, 89005, 89007, 89098, 154683, 154957, 154968, 154970, 4854092, 10069950, 10129560, 12557682, 12557838, 12564401, 12564506, 12569736, 12582004, 12587295, 24501383, 24502735, 24504818, 24506756, 24508594, 24508595, 24577515, 53010230, 8100699500, 8971064550, 1L2Z6B209AA, 1L5Z6B209AA, 3C2Z6B209BA, 3M4Z8678AB, 4792581AA, 4792581AB, 4854092AC, 4861533AB, 4L8Z6B209AA, 53013324AA, 53032129AA, 53032645AA, 53032645ACRecommended Use : OE ReplacementProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
Accessory Belt Idler Pulley - Direct Fit, Sold individually
Hayden®
Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: HY5979
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L With AC
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L With AC
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L With AC
Product Details
Notes : (1) Mount Hole Quantity; 0.67 in. Bore Diameter; 0.69 in. ID; 30 mm Width; 30 mm Pulley Width; 3 in. OD; 1 in. Belt Width; 1.18 in. Pulley Width; Smooth Groove; Back Idler Belt TypeWarranty : 1-year or 12,000-mile Hayden limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : SteelRecommended Use : OE ReplacementProduct Fit : Direct Fit
Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
AC Delco®
Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: AC38006
Guaranteed to Fit
$23.99
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L Truck, With Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L Truck, With Air Conditioning
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L Truck, With Air Conditioning
Product Details
Notes : With 6-ribbed belt and smooth pulleyWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesInterchange Part Number : REPC317401, 38006, 1520679Replaces OE Number : 88909587Recommended Use : OE ReplacementProduct Fit : Direct Fit
Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
AC Delco®
Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: AC1520677
Guaranteed to Fit
$27.99
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 7.4L Without AC
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 7.4L Without AC
  • 1988 Chevrolet C3500 Silverado 8 Cyl 7.4L Without AC
Product Details
Notes : 1.13 in. W; 0.69 in. ID; 3.75 in. OD; 6-groove Pulley; Plastic Material; Serpentine Belt TypeWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesReplaces OE Number : 19190146, 88919205Recommended Use : OE ReplacementProduct Fit : Direct Fit
Techoice Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Dorman®
Techoice Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: RB419610
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L Smooth Pulley; With Air Conditioning
Product Details
Notes : 31 mm W x 76 mm Diameter; 20 mm Maximum Belt Width; 12 mm W and 17 mm ID Pulley Bearing; Serpentine Belt TypeWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Techoice SeriesNumberof Grooveson Pulley : 0Interchange Part Number : REPC313813, 5019, 5979, 36491, 38043, 38058, 45019, 45979, 49011, 49017, 49039, 49095, 50037, 89005, 89007, 89098, 154683, 154957, 154968, 154970, 4854092, 10069950, 10129560, 12557682, 12557838, 12564401, 12564506, 12569736, 12582004, 12587295, 24501383, 24502735, 24504818, 24506756, 24508594, 24508595, 24577515, 53010230, 8100699500, 8971064550, 1L2Z6B209AA, 1L5Z6B209AA, 3C2Z6B209BA, 3M4Z8678AB, 4792581AA, 4792581AB, 4854092AC, 4861533AB, 4L8Z6B209AA, 53013324AA, 53032129AA, 53032645AAReplaces OE Number : 5019, 5979, 36491, 38043, 38058, 45019, 45979, 49011, 49017, 49039, 49095, 50037, 89005, 89007, 89098, 154683, 154957, 154968, 154970, 4854092, 10069950, 10129560, 12557682, 12557838, 12564401, 12564506, 12569736, 12582004, 12587295, 24501383, 24502735, 24504818, 24506756, 24508594, 24508595, 24577515, 53010230, 8100699500, 8971064550, 1L2Z6B209AA, 1L5Z6B209AA, 3C2Z6B209BA, 3M4Z8678AB, 4792581AA, 4792581AB, 4854092AC, 4861533AB, 4L8Z6B209AA, 53013324AA, 53032129AA, 53032645AA, 53032645ACMaterial : SteelRecommended Use : OE ReplacementProduct Fit : Direct Fit
No Slack Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Dayco®
No Slack Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: DY89018
Guaranteed to Fit
$22.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 7.4L
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 7.4L
  • 1988 Chevrolet C3500 Silverado 8 Cyl 7.4L
Product Details
Warranty : Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : No Slack SeriesProduct Fit : Direct Fit
DriveAlign Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Gates®
DriveAlign Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: GAT38017
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L Without Air Conditioning
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L Without Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L Without Air Conditioning
Product Details
Notes : 17 mm Bearing Bore Inside Diameter; 22 mm Width; 90 mm Outside Diameter; V-Ribbed Grooved Contact SurfaceWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : DriveAlign SeriesNumberof Grooveson Pulley : 4Interchange Part Number : REPC317401, 38006, 1520679Material : ThermoplasticRecommended Use : OE ReplacementProduct Fit : Direct Fit
HD Solutions Series Accessory Belt Idler Pulley - Sold individually
Dorman®
HD Solutions Series Accessory Belt Idler Pulley - Sold individually
Part Number: RB4195000
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 6.2L
  • 1988 Chevrolet C3500 Silverado 8 Cyl 6.2L
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 6.2L
Product Details
Notes : Pulley onlyWarranty : 5-year or 50,000-mile Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : HD Solutions SeriesInterchange Part Number : 38012, 89001, 12537144, 14078850, 15602650, 25526387, 25530872, 25530911, E6DZ6B217B, E7TZ6B209E, E8TZ8678D, E8TZ8678E, E9AZ8678A, F2SZ6C348A, F5UZ6B209A, 816.49001, 49014Replaces OE Number : 38012, 89001, 12537144, 14078850, 15602650, 25526387, 25530872, 25530911, E6DZ6B217B, E7TZ6B209E, E8TZ8678D, E8TZ8678E, E9AZ8678A, F2SZ6C348A, F5UZ6B209A, 816.49001, 49014
Accessory Belt Idler Pulley - Direct Fit, Sold individually
Hayden®
Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: HY5976
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 7.4L Without AC
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 7.4L Without AC
  • 1988 Chevrolet C3500 Silverado 8 Cyl 7.4L Without AC
Product Details
Notes : (1) Mount Hole Quantity; 0.69 in. Bore Diameter; 0.69 in. ID; 28.6 mm Width; 28.6 mm Pulley Width; 3.75 in. OD; 1.13 in. Belt Width; 1.13 in. Pulley Width; Serpentine Belt TypeWarranty : 1-year or 12,000-mile Hayden limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Numberof Grooveson Pulley : 6-Groove PulleyMaterial : SteelRecommended Use : OE ReplacementProduct Fit : Direct Fit
No Slack Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Dayco®
No Slack Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: DY89014
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L without A.C.
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L without A.C.
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L without A.C.
Product Details
Warranty : Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : No Slack SeriesNumberof Grooveson Pulley : 6Interchange Part Number : REPC317401, 38006, 1520679Product Fit : Direct Fit
Techoice Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Dorman®
Techoice Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: RB419631
Guaranteed to Fit
$27.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 7.4L Grooved Pulley; Without Air Conditioning
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 7.4L Grooved Pulley; Without Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 7.4L Grooved Pulley; Without Air Conditioning
Product Details
Notes : (1) Mount Hole Quantity; 20 mm Maximum Belt Width; 17 mm Pulley Bearing Inside Diameter; 12 mm Pulley Bearing Width; 70 mm Pulley Diameter; 28.5 mm Pulley Width; Black Color; Serpentine Pulley TypeWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Techoice SeriesInterchange Part Number : YS315, 45066, 45976, 36327, 36818, 38019, 5066, 5976, 14103118, 89012, 53002903, 4W4E6C348AA, 4W4Z6C348AA, 5L3E19A216AA, 5L3Z8678AA, F75Z8678BA, F75Z8678BB, AJ89037, SK89004, SK89012, SK89048, 49001, 49016, 50003Replaces OE Number : YS315, 45066, 45976, 36327, 36818, 38019, 5066, 5976, 14103118, 89012, 53002903, 4W4E6C348AA, 4W4Z6C348AA, 5L3E19A216AA, 5L3Z8678AA, F75Z8678BA, F75Z8678BB, AJ89037, SK89004, SK89012, SK89048, 49001, 49016, 50003Material : SteelRecommended Use : OE ReplacementProduct Fit : Direct Fit
No Slack Series Accessory Belt Idler Pulley - Direct Fit, Assembly
Dayco®
No Slack Series Accessory Belt Idler Pulley - Direct Fit, Assembly
Part Number: DY89012
Guaranteed to Fit
$26.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 7.4L without A.C.
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 7.4L without A.C.
  • 1988 Chevrolet C3500 Silverado 8 Cyl 7.4L without A.C.
Product Details
Warranty : Dayco limited warrantyQuantity Sold : AssemblyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : No Slack SeriesProduct Fit : Direct Fit
Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
AC Delco®
Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: AC38017
Guaranteed to Fit
$26.49
Vehicle Fitment
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 5.7L Truck, Without Air Conditioning
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 5.7L Truck, Without Air Conditioning
  • 1988 Chevrolet C3500 Silverado 8 Cyl 5.7L Truck, Without Air Conditioning
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesInterchange Part Number : REPC317401, 38006, 1520679Recommended Use : OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
AC Delco®
GM Original Equipment Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
Part Number: AC12552361
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 1988 Chevrolet C3500 Cheyenne 8 Cyl 7.4L A/C - MANUAL CONTROLS(C60), Smooth Pulley
  • 1988 Chevrolet C3500 Silverado 8 Cyl 7.4L A/C - MANUAL CONTROLS(C60), Smooth Pulley
  • 1988 Chevrolet C3500 Scottsdale 8 Cyl 7.4L A/C - MANUAL CONTROLS(C60), Smooth Pulley
Product Details
Notes : 1.02 in. W and 3.55 in. OD Pulley; 0.49 in. Diameter Center Bore Pulley and Mount Hole; Steel Material; Serpentine Belt Type; SmoothWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesRecommended Use : OE ReplacementProduct Fit : Direct Fit
Page 1 of 3 | Showing 1 - 15 of 32 results

Popular Products

Product Questions & Answers

AC Delco GM Original Equipment Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
$6.99
Q:Does this come with bolt to mount it ?
David J.
A:BEST ANSWERHi David, I'm glad to assist you. Yes. It comes with a bolt to mount it. The image is application specific and accurate. Grab our low-price offer and click the link below to buy it today. Happy shopping! https://www.carparts.com/accessory-belt-idler-pulley/ac-delco/ac12552361?can=CPJE1043_CSQA_20221104 Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >
AC Delco Professional Series Accessory Belt Idler Pulley - Direct Fit, Sold individually
$26.49
Q:1989 GMC C2500 RWD 350 K code w/o air I need a 4groove idler pulley. All the grooved ones I have seen are 6 grooves. i am running a Gates K040882 belt. What is correct pulley? Show Less
Patrick R.
A:BEST ANSWERHi Patrick, The 38017 is a 4 grooved pulley.
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Where is the Idler Pulley Located?
Where is the Idler Pulley Located?Accessing the idler pulley can be deceptively tricky and you’ll need tools like a socket set and a torque wrench. It varies though, and on some engines it’s very easy but the belt needs to be removed first. .u9fe01520568b0546e0c7dc4eab40d6ec { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea;
Bad Idler Pulley Symptoms Plus Replacement Recommendations
Bad Idler Pulley Symptoms Plus Replacement RecommendationsTo fully understand the function of an idler pulley, let’s look at how the whole mechanism works. If you own a modern vehicle, it probably has one serpentine belt rather than multiple V-belts.