Belt Drive Systems
7″ Diameter V-Groove Fan Pulley 3919624 for Cummins Engine 4B ISBE QSB 4B3.9 6B5.9 6C8.3 Hyundai Excavator R130W R170W-3 R210W-9A R430LC-9A
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Belt Drive Systems 3919624 fan pulley 3919624 pulley for Cummins 4B Cummins fan pulley

7″ Diameter V-Groove Fan Pulley 3919624 for Cummins Engine 4B ISBE QSB 4B3.9 6B5.9 6C8.3 Hyundai Excavator R130W R170W-3 R210W-9A R430LC-9A

Keep your Cummins 4B or ISBE engine running at peak efficiency with this durable 7" V-Groove Fan Pulley 3919624, engineered to fit Hyundai R130W, R170W-3, and other heavy equipment models. This precision-manufactured pulley ensures reliable belt alignment and consistent cooling system performance, minimizing unexpected downtime during critical operations. Direct replacement for OEM part numbers 3919624, 3908819, and 3903221, it’s designed to meet strict quality standards for long-lasting service in demanding construction and industrial environments.

  • Perfect fit for Cummins 4B3.9, 6B5.9, QSB, and ISBE engines commonly found in Hyundai excavators and wheel loaders
  • 7-inch diameter V-groove design maintains optimal belt tension, reducing wear on both pulley and fan belt
  • Compatible with Hyundai R210W-9A, R430LC-9A, and other models listed for versatile equipment coverage

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
WhatsApp Inquiry Email Inquiry
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Product Specifications

ParameterDetails
Part Name7" Diameter V-Groove Fan Pulley
Replacement Part Numbers3919624, 3908819, 3903221
Brand CompatibilityCummins Engines, Hyundai Heavy Equipment
ConditionNew Aftermarket
Warranty3-12 months against manufacturing defects

Compatible Models

BrandApplicable Models
Cummins Engine4B, ISBE, QSB, 4B3.9, 6B5.9, 6C8.3, B3.9 CM2620 B171C, B4.5, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2350 B136C, B6.7 CM2350 B157C, B6.7 CM2450 B155B, B6.7 CM2670 B164C, B6.7 CM2670 B173B, B7 CM2670 B165C, C GAS PLUS CM556, C8.3 G, G5.9, G8.3, ISB (Chrysler), ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 SN, ISB4.5 CM2150, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118, ISBE CM2150, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8.9 CM2150 L110, ISL8.9 CM2880 L112, ISL8.9 CM2880 L140, ISL9 CM2150 SN, ISL9 CM2250, ISL9 CM2350 L101, ISL9 CM2350 L111, ISL9.5 CM2150 SN, ISL9.5 CM2880 L138, ISLE4 CM850, L GAS PLUS CM556, L8.9, L8.9G CMOH2.0 L125B, L9 CM2350 L116B, L9 CM2350 L119B, L9 CM2350 L120C, L9 CM2350 L129C, L9 CM2450 L126B, L9 CM2670 L128B, L9 CM2670 L134C, L9 CM2670 L135C, L9 CM2670 L137C, L9N CM2380 L124B, L9N CM2380 L130B, NT743, QSB3.3 CM2150, QSB3.3 CM2250 EC, QSB3.9 30 CM550, QSB3.9 CM2880 B138, QSB4.5 30 CM550, QSB4.5 CM2150 B108, QSB4.5 CM2250 EC, QSB4.5 CM2350 B106, QSB4.5 CM850(CM2850), QSB5.9 30 CM550, QSB5.9 44 CM550, QSB5.9 CM2880 B139, QSB5.9 CM550, QSB5.9 CM850, QSB6.7 CM2150 B109, QSB6.7 CM2250, QSB6.7 CM2250 EC, QSB6.7 CM2350 B105, QSB6.7 CM2350 B130, QSB6.7 CM850(CM2850), QSB7 CM2880 B117, QSC8.3 CM2880 C102, QSC8.3 CM554, QSC8.3 CM850(CM2850), QSC9 CM2250/QSL9 CM2250, QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM2350 L118, QSL9 CM554, QSL9 CM850(CM2850)
Hyundai Excavator33HDLL, 42HDLL, HX300 L, HX330 L, HX380 L, HX430L, R130LC, R130W, R130W-3, R140W-9A, R160W-9A, R170W-3, R180LC-3, R180W-9A, R200LC, R200NLC-3, R200W, R200W-2, R200W-3, R210LC-3, R210LC-3_LL, R210W-9A, R210W9AMH, R220LC-9A, R220NLC-9A, R235LCR-9, R235LCR-9A, R280LC, R290LC, R290LC-3, R290LC-3_LL/RB, R320LC-3, R330LC-9A, R380LC-9A, R430LC-9A
Hyundai Wheel LoaderHL17C, HL25C, HL720-3, HL730-3, HL730-7, HL730-7A, HL730-9, HL730-9A, HL730-9S, HL730TM-3, HL730TM-7, HL730TM-7A, HL730TM-9, HL730TM-9A, HL740-3, HL740-7, HL740-7A, HL740-7S, HL740-9, HL740-9A, HL740-9B, HL740-9S, HL740TM-3, HL740TM-7, HL740TM-7A, HL740TM-9, HL740TM-9A, HL750, HL750TM, HL757-7, HL757-7A, HL757-7S, HL757-9, HL757-9A, HL757-9S, HL757-9SM, HL757TM-7, HL757TM7A, HL757TM-9, HL757TM-9A, HL760, HL760-7, HL760-7A, HL760-9, HL760-9A, HL760-9

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

Fill in your details and we'll respond within 24 hours with a competitive quote.

Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
More From Our Catalog

Related Products

Explore more high-quality excavator and heavy equipment parts from XUNPO.

10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support