HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates K050340HD Serpentine Belt - Alternator
Part #: K050340HD

Gates K050340HD Serpentine Belt - Alternator

Alternator
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$21.96Free 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.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Performance with Gates FleetRunner Heavy Duty Micro-V Belt

The Gates FleetRunner Heavy Duty Micro-V Belt K050340HD is engineered for durability and consistent performance in demanding automotive applications. Designed as a serpentine belt with a heavy-duty automotive v-ribbed belt construction, it supports accessory drive systems in various vehicle makes and models.

  • Top width options: 0.667 inch and 17 mm for precise fitment
  • Effective length: 34.12 inches (867 mm) ensuring proper tension and alignment
  • Outside circumference: 34.685 inches (881 mm) for accurate routing
  • Constructed with EPDM belt material for enhanced heat and wear resistance
  • Polyester cord material provides strength and flexibility
  • 5 ribs for optimal grip and power transmission
  • Cross section designation: K, compatible with standard K-section pulleys
  • OE comparison rating: OE improved for reliable replacement performance

About the FleetRunner Heavy Duty Micro-V Belt Line

The FleetRunner Heavy Duty Micro-V Belt line by Gates is designed specifically for commercial and heavy-duty automotive applications. This product line focuses on delivering belts that withstand higher loads and extended service intervals, making them suitable for fleet vehicles and trucks requiring robust accessory drive components. The K050340HD part number is part of this line, offering enhanced durability through EPDM construction and polyester cords.

Product Details and Specifications

The Gates K050340HD serpentine belt features a 5-rib design that ensures consistent power transfer to engine accessories such as alternators, water pumps, and power steering pumps. Its EPDM (ethylene propylene diene monomer) belt material provides resistance to heat, ozone, and wear, extending belt life under heavy-duty conditions. The polyester cord material adds tensile strength and flexibility, maintaining belt integrity during operation. With a top width of 0.667 inches (17 mm) and an effective length of 34.12 inches (867 mm), this belt fits applications requiring a K-section serpentine belt with an outside circumference of approximately 34.685 inches (881 mm).

Common Applications and Problem Solving

  • Replacement for worn or cracked serpentine belts in heavy-duty trucks and fleet vehicles
  • Addresses slipping or squealing belts due to material degradation
  • Prevents accessory drive failures caused by belt stretching or fraying
  • Suitable for vehicles requiring OE improved belt performance
  • Helps maintain proper tension and alignment in multi-rib accessory drive systems

Installation Notes and Tips

When installing the Gates FleetRunner Heavy Duty Micro-V Belt K050340HD, ensure the belt routing matches the vehicle manufacturer’s specifications. Verify the belt tension and alignment to prevent premature wear. It is recommended to inspect pulleys and tensioners for wear or damage before installation. Use appropriate tools to avoid damaging the belt ribs or cords during fitting.

Quality Assurance and Warranty

Gates provides quality assurance with the FleetRunner Heavy Duty Micro-V Belt line, including the K050340HD part. This belt meets or exceeds OE specifications for durability and performance. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship.

BrandGates
Part NumberK050340HD
Top Width.667
Top Width17
Cord MaterialPolyester
Cross Section DesignationK
Effective Length34.12
Effective Length867
Outside Circumference34.685
Outside Circumference881
TypeAutomotive v-ribbed belt (heavy duty)
Rib Quantity5
Washer Pump IncludedEpdm
Belt MaterialEpdm
Cord MaterialPolyester
OE Comparison RatingOe improved
SectionK
TypeAutomotive v-ribbed belt (heavy duty)

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

0010357910357911281437450112817449861172097E201172097E20TM1172097E20TT133228141-1419141-14591437450692637146-050865171285A120084720095020095420099920114720337420522720527522534825-05034025-050340HD25-7086430285013037425340K5340K5MK3805315405-0340405034045106471Q100002750503405050340DR5K3405K340AP5K8635PK08635PK08655PK08695PK8635PK8655PK8695PVK08656547195654719771372948894403311090-3650T1903650T1909160223890916022459091602336909160233791052508549185008600918500870096144932965515A-340K5E4HT 8620 KAE4HT 8620 KBE4HZ 8620 BF32Z 8620 EF32Z 8620 GF8XZ 8620 AAGT4050340JK5-344JK5-345JK5-346K050340K050340HDK1118381AK3405KL1118381AL36-5087MD338513MD345395MD366357PK050340T80109143V1090167V1090920

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