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Gates 90K-39129B Serpentine Belt Drive Component KitOE Quality 60-Day Returns
Part #: 90K-39129B

Gates 90K-39129B Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit
⚙️ 21 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$493.44Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Accessory Belt Drive Kit
🚗Fitment: INFINITI and Nissan, 370Z, EX37, G37, M37, Q50, and Q60
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Gates 90K-39129B Serpentine Belt Drive Component Kit
BrandGates
Part Number90K-39129B
PositionAccessory Belt Drive Kit
Outside Circumference2033
Outside Circumference80
Belt Top Width.947
Belt Top Width24
Belt 1 Outside Circumference (in)80
Belt 1 Outside Circumference (mm)2033
Belt 1 Part NumberK070795
ContentsBelt, tensioner, 3 idlers
Idler Pulley 1 Part Number36305
Idler Pulley 2 Part Number36305
Idler Pulley 3 Part Number36342
Tensioner Assembly Part Number39129

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015INFINITIQ503.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2015INFINITIQ603.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2015Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2014INFINITIQ503.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2014INFINITIQ603.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2014Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2013INFINITIEX373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2013INFINITIG373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2013INFINITIM373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2013Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2012INFINITIG373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2012INFINITIM373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2012Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2011INFINITIG373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2011INFINITIM373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2011Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2010INFINITIG373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2010Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2009INFINITIG373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2009Nissan370Z3.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit
2008INFINITIG373.7LV6GASN/A{K070795, 39129, 36305, 36305, 36342}; Accessory Belt Drive Kit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

90K-39129B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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