HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates K050345HD Serpentine Belt - Alternator or Hub and Alternator
Part #: K050345HD

Gates K050345HD Serpentine Belt - Alternator or Hub and Alternator

Hub and Alternator and Alternator
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Reliable Heavy Duty Serpentine Belt for Automotive Applications

The Gates FleetRunner Heavy Duty Micro-V Belt (part number K050345HD) is engineered to deliver consistent performance in demanding automotive environments. Designed with durable materials and precise dimensions, this serpentine belt supports accessory drive systems in various vehicle makes and models requiring a heavy duty v-ribbed belt.

Key Features of the Gates FleetRunner Heavy Duty Micro-V Belt

  • Top width options: 0.667 inch and 17 mm for versatile fitment
  • Effective length of 34.64 inches (880 mm) ensures proper tension and alignment
  • Outside circumference measures 35.25 inches (894 mm) for accurate replacement
  • Constructed with EPDM belt material for enhanced durability and heat resistance
  • Polyester cord material provides strength and flexibility
  • 5-rib design supports efficient power transmission and reduced slippage
  • Cross section designation: K, compatible with automotive v-ribbed belt systems
  • OE comparison rating: OE improved, meeting or exceeding original equipment standards

About the FleetRunner Heavy Duty Micro-V Belt Product Line

The FleetRunner Heavy Duty Micro-V Belt line by Gates is specifically developed for commercial and heavy duty automotive applications. This product line focuses on delivering belts that withstand higher loads and extended service intervals compared to standard belts. The K050345HD part benefits from this design philosophy, offering improved durability and performance in accessory drive belt systems.

Applications and Common Issues Addressed

  • Replacement for worn or cracked serpentine belts in heavy duty vehicles
  • Resolves belt slippage and squealing caused by stretched or damaged belts
  • Prevents accessory drive failures due to belt degradation
  • Supports proper operation of alternators, power steering pumps, and air conditioning compressors
  • Suitable for vehicles requiring a 5-rib, K-section heavy duty v-ribbed belt

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Verify the belt length and rib count correspond to the original equipment specifications. Use proper tensioning tools to avoid over-tightening, which can reduce belt life. Inspect pulleys and tensioners for wear during replacement to maintain optimal belt performance.

Quality Assurance and Warranty

The Gates FleetRunner Heavy Duty Micro-V Belt K050345HD is manufactured to meet stringent quality standards, including OE comparison ratings. Constructed with EPDM and polyester materials, it offers resistance to heat, wear, and environmental factors. While specific warranty details vary by distributor, Gates products typically include coverage against manufacturing defects to ensure reliability in heavy duty automotive applications.

BrandGates
Part NumberK050345HD
Top Width.667
Top Width17
Cord MaterialPolyester
Cross Section DesignationK
Effective Length34.64
Effective Length880
Outside Circumference35.25
Outside Circumference894
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:

126343221264432213400141340661134066813406691340675134067814-0688-2141-1340146-050870146-0508751987947829200539200928202805203326204498209471209518225353244359532446697625-05034525-050345HD25-75034302025131110PK100331110PK100431110PK1004031110PK200331110PK2003031110PK200431110PK20040345K5345K5MK347K5MK400799405-03454050345405034750503455050345DR511016102553514595750Q75750SE5K3455K345AP5PK08755PK08805PK8775PK8805PK8855PVK087560597250634061063406446547141770086827377008725337701064349809218130809218140809218150809218160809218170809218200809218210809218230809218250809218270809218300809218310809218380809218390809218430809218450809218750902995439053737590916021869091602187909160229790916023389105250873918500880091850088049195192920168892017239318224893BB 6C301 DD94970002909612966296155377993650087599365008809936520880993655087599365508809936570880A-345K5F1HT 8620 BAGT4050345JK5-352K050345K050345HDK3455MB813806MB877750PK050345

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