Belt Drive Systems
Fan Pulley 3914458 for Cummins Engine ISB QSB 6CTA ISC QSC 4B3.9 6B5.9 6C8.3 B4.5 B5.9 ISBE QSB4.5
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Belt Drive Systems 3914458 3914458 for Cummins ISB Cummins 6CTA 4B3.9 Fan Pulley

Fan Pulley 3914458 for Cummins Engine ISB QSB 6CTA ISC QSC 4B3.9 6B5.9 6C8.3 B4.5 B5.9 ISBE QSB4.5

Keep your Cummins engine running at peak efficiency with the reliable Fan Pulley 3914458, precision-engineered for ISB, QSB, 6CTA, 4B3.9, and 6B5.9 models. This ISO-certified component ensures proper belt tension and cooling system performance, minimizing unexpected downtime during critical operations.

Designed to meet OEM specifications, it directly replaces part number 3914458 and fits a range of Cummins engines including B3.9 G, B5.9 G, and ISBE variants. Trust in consistent quality that avoids the hassle of frequent replacements, backed by our commitment to supporting your heavy equipment maintenance needs.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Product Specifications

ParameterDetails
Part NameFan Pulley
Replacement Part Number3914458
BrandFridayParts
Compatible Engine BrandCummins
ConditionNew Aftermarket
Warranty3-12 months against manufacturing defects

Compatible Models

BrandApplicable Engine Models
CumminsISB, QSB, 6CTA, ISC, QSC, 4B3.9, 6B5.9, 6C8.3, B3.9 G, B4.5, B5.9 G, G5.9, G5.9 CM558, ISB CM550, ISB CM850, ISBE CM800, ISBE4 CM850, QSB4.5 CM850(CM2850)

Struggling with Fan Pulley Failures? Get Reliable 3914458 for Your Cummins Engine

Equipment downtime costs construction and mining operations thousands of dollars daily. When a fan pulley fails, it disrupts engine cooling systems, leading to overheating and potential catastrophic engine damage. Many operators face the dilemma of paying 30-50% more for OEM parts with 2-4 week lead times, or risking counterfeit components that fail prematurely—costing even more in secondary repairs and lost productivity.

OEM-Equivalent 3914458 Fan Pulley, Ready for Immediate Shipment

Our 3914458 Fan Pulley for Cummins engines delivers the perfect balance of quality and availability. As a professional supplier with 10 years of global export experience, we source exclusively from ISO-certified factories and perform rigorous pre-shipment testing to ensure OEM-equivalent performance. With over 10,000 SKUs in stock at our Guangzhou warehouse, this critical engine component is available for immediate dispatch—no more waiting weeks for repairs.

Where This Fan Pulley Works

This 3914458 Fan Pulley is engineered for Cummins engines powering heavy machinery in the most demanding environments. From construction excavators and mining trucks to agricultural equipment and generator sets, it plays a vital role in maintaining proper engine cooling by driving the fan system. In high-temperature工况 like desert mining or tropical construction sites, a reliable fan pulley ensures consistent cooling performance under extreme load.

Engineering Details That Matter

Precision matters when it comes to engine components. Our 3914458 Fan Pulley features: - High-strength alloy construction to withstand continuous rotational stress and prevent premature wear - Exact dimensional tolerances ensuring perfect alignment with the engine accessory drive system - Precision-machined bearing surfaces that reduce friction and extend service life - Corrosion-resistant coating to protect against harsh operating environments These engineering details translate to reliable performance and reduced maintenance intervals for your Cummins-powered equipment.

The Real Cost of Choosing the Wrong Fan Pulley

Opting for cheap, uncertified fan pulleys may save money upfront, but the hidden costs are substantial. Counterfeit pulleys typically have 1.5x shorter lifespans and often cause: - Fan belt misalignment leading to premature belt failure - Excessive vibration damaging other engine components - Inadequate cooling resulting in engine overheating and power loss - Unscheduled downtime for emergency repairs Our ISO-certified 3914458 pulley, backed by a 3-12 month warranty, delivers lower total cost of ownership by minimizing these risks.

Why Customers Trust XUNPO for Cummins Parts

With 10 years of experience serving 120+ countries, we've built our reputation on reliability: - Every 3914458 pulley undergoes incoming material inspection and pre-shipment performance testing - Our technical team of 20+ industry professionals provides part verification within 2 hours - We maintain large inventory in Guangzhou, enabling 2-5 working day shipping for urgent needs - All parts come with clear warranty coverage against manufacturing defects - First-time clients can request sample testing to verify quality before full orders

Packaging & Shipping

  • Securely packaged in individual protective wrapping with shock-absorbing foam
  • Reinforced cardboard cartons to prevent damage during transit
  • In-stock items shipped within 2-5 working days
  • Flexible shipping options: Express (DHL/FedEx/UPS), air freight, or sea freight
  • Real-time logistics tracking provided until delivery
  • Minimum order quantity: 1 piece to support emergency maintenance

Get Your 3914458 Fan Pulley Now

Don't let equipment downtime impact your project deadlines. Our 3914458 Fan Pulley for Cummins engines is in stock and ready to ship. Simply provide your engine model, required quantity, and destination for a competitive quote within 24 hours. First-time customers can request sample testing to confirm compatibility. The sooner you order, the sooner your equipment gets back to work.

Frequently Asked Questions

Q: Is this a genuine Cummins OEM part or aftermarket replacement?

A: This is an OEM-equivalent aftermarket part, manufactured by ISO-certified factories to meet the same performance standards as original Cummins components.

Q: How can I confirm this 3914458 pulley fits my specific Cummins engine?

A: Send us your engine model number and serial number, and our technical team will verify compatibility within 2 hours.

Q: What warranty coverage do you provide for this fan pulley?

A: We offer a 3-12 month warranty against manufacturing defects, with free replacement or refund for qualifying issues.

Q: What is the minimum order quantity for this part?

A: We accept minimum orders of 1 piece, ideal for emergency repair situations.

Q: How quickly can you ship the 3914458 fan pulley?

A: In-stock items are typically shipped within 2-5 working days. Express shipping options are available for urgent needs.

Q: Can I request a sample before placing a bulk order?

A: Yes, first-time clients can request sample testing to verify quality and compatibility before larger orders.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
Get a Fast Quote

Inquire About This Product

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Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support