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Replacement and OEM Parts for Timing Belt Idler Pulley
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Timing Belt Idler Pulley

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Timing Belts, Chains, Cams & Related Parts
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  • OEM (Genuine) Pulley, Idle

    PartNumber: 31190-RRA-A00
    OEM Pulley, Idle - 31190-RRA-A00
    Product Specifications
    • Other Names: Pulley
    • Item Dimensions: 3.2 x 3.2 x 1.1 inches
    • Item Weight: 1.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 31190-PRA-000
    • Part Description: Pulley, Idle
    More Info
    $62.27 MSRP: $87.96
    You Save: $25.69 (30%)
  • Gates Powergrip Upper Timing Belt Idler Pulley - T42010

    Gates® Powergrip Upper Timing Belt Idler Pulley

    PartNumber: T42010
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Plastic
    • Pulley Outside Diameter: 60 mm
    • Pulley Width: 1.3"
    • UPC: 072053881615
    • Part Description: Powergrip Upper Timing Belt Idler Pulley
    More Info
    $93.89
  • OEM (Genuine) Pulley, Idler

    PartNumber: 31180-RAA-A01
    OEM Pulley, Idler - 31180-RAA-A01
    Product Specifications
    • Other Names: Tension Pulley, Tensioner Pulley
    • Item Dimensions: 3.0 x 3.1 x 1.6 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Pulley, Idler
    More Info
    $25.23 MSRP: $35.65
    You Save: $10.42 (30%)
  • Gates Powergrip Timing Belt Idler Pulley - T42114

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42114
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 62 mm
    • Pulley Width: 1.59"
    • UPC: 770075225072
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $99.12
  • SKF Timing Belt Idler Pulley - TBP22380

    SKF® Timing Belt Idler Pulley

    PartNumber: TBP22380
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311483582
    • Part Description: Timing Belt Idler Pulley
    More Info
    $36.29
  • Gates Powergrip Timing Belt Tensioner - T43018

    Gates® Powergrip Timing Belt Tensioner

    PartNumber: T43018
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: Yes
    • Material: Steel
    • Pulley Outside Diameter: 72 mm
    • Pulley Width: 1.18"
    • UPC: 770075278276
    • Part Description: Powergrip Timing Belt Tensioner
    More Info
    $86.75
  • SKF Timing Belt Idler Pulley - TBP21031

    SKF® Timing Belt Idler Pulley

    PartNumber: TBP21031
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311482998
    • Part Description: Timing Belt Idler Pulley
    More Info
    $28.47
  • OEM (Genuine) Pulley, Idler

    PartNumber: 31190-RX0-A02
    OEM Pulley, Idler - 31190-RX0-A02
    Product Specifications
    • Item Dimensions: 3.3 x 3.3 x 1.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Pulley, Idler
    More Info
    $57.08 MSRP: $80.63
    You Save: $23.55 (30%)
  • Gates Powergrip Timing Belt Idler Pulley - T42104

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42104
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 52 mm
    • Pulley Width: 0.94"
    • UPC: 770075225058
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $76.27
  • SKF Timing Belt Idler Pulley - TBP64005

    SKF® Timing Belt Idler Pulley

    PartNumber: TBP64005
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311483155
    • Part Description: Timing Belt Idler Pulley
    More Info
    $26.07
  • OEM (Genuine) Serpentine Idler Pulley

    PartNumber: 6L3Z-6C348-A
    OEM Serpentine Idler Pulley - 6L3Z-6C348-A
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Serpentine Idler Pulley
    More Info
    $25.28 MSRP: $36.33
    You Save: $11.05 (31%)
  • Gates Powergrip Timing Belt Idler Pulley - T42097

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42097
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 53 mm
    • Pulley Width: 1.07"
    • UPC: 770075281597
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $77.83
  • SKF Timing Belt Idler Pulley - TBP64003

    SKF® Timing Belt Idler Pulley

    PartNumber: TBP64003
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311483131
    • Part Description: Timing Belt Idler Pulley
    More Info
    $16.39
  • OEM (Genuine) Serpentine Idler Pulley

    PartNumber: 12669569
    OEM Serpentine Idler Pulley - 12669569
    Product Specifications
    • Other Names: Idler Pulley, Serpentine Idler Pulley
    • Item Dimensions: 6.8 x 4.4 x 4.4 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12555609, 12580771
    • Part Description: Serpentine Idler Pulley
    More Info
    $52.78 MSRP: $99.60
    You Save: $46.82 (48%)
  • Gates Powergrip Timing Belt Idler Pulley - T41078

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T41078
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 62 mm
    • Pulley Width: 1.44"
    • UPC: 072053881370
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $75.71
  • OEM (Genuine) Pulley, Idler

    PartNumber: 31190-R1A-A01
    OEM Pulley, Idler - 31190-R1A-A01
    Product Specifications
    • Item Dimensions: 3.2 x 3.1 x 1.0 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Pulley, Idler
    More Info
    $56.87 MSRP: $80.33
    You Save: $23.46 (30%)
  • Gates Powergrip Timing Belt Idler Pulley - T42179

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42179
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • OE Comparison Rating: OE Exact
    • Pulley Outside Diameter: 53 mm
    • Pulley Width: 1.26"
    • UPC: 770075532033
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $65.67
  • OEM (Genuine) Pulley Assy.

    PartNumber: 38950-P2K-305
    OEM Pulley Assy. - 38950-P2K-305
    Product Specifications
    • Item Dimensions: 5.8 x 5.3 x 3.3 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 38942-P01-003
    • Part Description: Pulley Assy.
    More Info
    $60.85 MSRP: $85.97
    You Save: $25.12 (30%)
  • OEM (Genuine) Serpentine Idler Pulley

    PartNumber: 16603-31040
    OEM Serpentine Idler Pulley - 16603-31040
    Product Specifications
    • Item Dimensions: 13.5 x 11.3 x 2.0 inches
    • Item Weight: 1.20 Pounds
    • Part Description: Serpentine Idler Pulley
    More Info
    $68.51 MSRP: $99.53
    You Save: $31.02 (32%)
  • Gates Powergrip Timing Belt Idler Pulley - T42001

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42001
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 60 mm
    • Pulley Width: 1.22"
    • UPC: 072053881523
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $69.53
  • OEM (Genuine) Idler Assembly

    PartNumber: 31140-RL5-A01
    OEM Idler Assembly - 31140-RL5-A01
    Product Specifications
    • Item Dimensions: 9.4 x 7.2 x 3.6 inches
    • Item Weight: 2.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 31140-RL5-A00
    • Part Description: Idler Assembly
    More Info
    $255.29 MSRP: $364.61
    You Save: $109.32 (30%)
  • Gates Powergrip Timing Belt Idler Pulley - T42037

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42037
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 93 mm
    • Pulley Width: 1.57"
    • UPC: 072053881875
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $68.33
  • OEM (Genuine) Pulley, Idler

    PartNumber: 31180-PNA-J01
    OEM Pulley, Idler - 31180-PNA-J01
    Product Specifications
    • Item Dimensions: 3.1 x 3.2 x 1.4 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Pulley, Idler
    More Info
    $49.44 MSRP: $69.56
    You Save: $20.12 (29%)
  • Gates Powergrip Timing Belt Idler Pulley - T42024

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42024
    Product Specifications
    • Flanged: Yes
    • Material: Steel
    • Pulley Bore Inside Diameter: 10.5mm
    • Pulley Outside Diameter: 60 mm
    • UPC: 072053881745
    • Width: 35mm
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $66.28
  • OEM (Genuine) Pulley, Idle

    PartNumber: 38942-P1R-000
    OEM Pulley, Idle - 38942-P1R-000
    Product Specifications
    • Other Names: Idler Pulley
    • Item Dimensions: 3.3 x 2.9 x 1.7 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 38942-PV1-000
    • Part Description: Pulley, Idle
    More Info
    $63.79 MSRP: $89.73
    You Save: $25.94 (29%)
  • OEM (Genuine) PULLEY Assembly, IDLER

    PartNumber: 16630-50011
    OEM PULLEY Assembly, IDLER - 16630-50011
    Product Specifications
    • Other Names: Front Bracket, Idler Pulley, Pulley
    • Item Dimensions: 11.9 x 8.3 x 6.2 inches
    • Item Weight: 6.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16307-50020
    • Part Description: PULLEY Assembly, IDLER
    More Info
    $344.08 MSRP: $466.09
    You Save: $122.01 (27%)
  • Gates Powergrip Timing Belt Idler Pulley - T41204

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T41204
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 62 mm
    • Pulley Width: 1.57"
    • UPC: 770075141952
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $65.54
  • OEM (Genuine) Pulley, Idler

    PartNumber: 31180-PNA-J01
    OEM Pulley, Idler - 31180-PNA-J01
    Product Specifications
    • Item Dimensions: 3.1 x 3.2 x 1.4 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Pulley, Idler
    More Info
    $49.23 MSRP: $69.56
    You Save: $20.33 (30%)
  • Gates Powergrip Timing Belt Idler Pulley - T42030

    Gates® Powergrip Timing Belt Idler Pulley

    PartNumber: T42030
    Product Specifications
    • Contact Surface: Smooth/Backside
    • Flanged: No
    • Material: Steel
    • Pulley Outside Diameter: 62 mm
    • Pulley Width: 1.44"
    • UPC: 072053881806
    • Part Description: Powergrip Timing Belt Idler Pulley
    More Info
    $65.42
  • OEM (Genuine) Idler Pulley

    PartNumber: 88440-35010
    OEM Idler Pulley - 88440-35010
    Product Specifications
    • Item Dimensions: 3.4 x 1.3 x 3.8 inches
    • Item Weight: 0.70 Pounds
    • Part Description: Idler Pulley
    More Info
    $28.38 MSRP: $40.88
    You Save: $12.50 (31%)
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About Timing Belt Idler Pulley

The timing belt idler pulley is in charge of routing the timing belt so it is in the right position. There can be more than one idler pulley on the timing chain and they can come in different sizes.

Timing belt idler pulley importance

To route the timing belt to necessary components you need the timing belt idler pulley. The idler pulley is a metal wheel that has a smooth surface and keeps the timing belt in place as it controls the timing gears. The idler pulley is installed through the center of the engine, so the smooth part of the timing belt rotates the pulley to dampen the friction and heat.

Common issues with a faulty timing belt idler pulley

A faulty timing belt idler pulley can lead to stalling, an overheating engine, and the surface can become corroded.