Belt Drive Systems
V-Belt 3288497 for Cummins ISB QSB – Engine Grade
<ul> <li>Overhaul kit contents verified item-by-item before dispatch</li> </ul>
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<p><strong>Fan Belt J911559 for CASE Loaders & Tractors — High-Tensile EPDM with Polyester Cord</strong> fits compatible CASE 580K, 580SK, 850E, 850G and New Holland engine platforms.</p> <ul> <li>Designed as a critical belt drive component linking crankshaft to cooling fan and alternator; correct cross-section tolerance ensures full V-groove contact and prevents edge wear commonly misdiagnosed as tensioner failure</li> <li>EPDM compound withstands heat, ozone and repeated flexing in heavy-duty engine environments during overhaul or top-end rebuild</li> </ul> <p>Cross-reference numbers (J902309, J903099, J911570) and matched belt drive components verified per your engine serial variant before dispatch.</p>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
Matched Set Dispatch — belt drive components verified against engine serial variant before shipping, ensuring the fan belt, tensioner, and pulleys arrive as a matched system for CASE and New Holland rebuilds.
| Parameter | Value |
|---|---|
| Part Number | J911559 |
| Product Type | Belt |
| Cross-Reference | J911559, J911559-A, J911559A, 90500580, 73162121, J902309, J903099, J911570 (reference only) |
| Machine Fitment | CASE Loader: 1840, 1845C, 40XT, 480E, 480E LL, 480F, 480F LL, 580K, 580SK, 590, 60XT, 621, 680K, 680L, 70XT, 750K, 75XT, 780C, 780D, 85XT, 90XT, 95XT, 580E, 580SE; Tractor: 1150E, 1150G, 1150H, 1150H_IND, 1155E, 650, 650G, 750H, 850D, 850E, 850G, 850H, 850K, 855D, 855E, 1896, 2096; New Holland Drilling: 6030; Forklift: 584E, 585E, 586E; Sprayer: 3185, SPX3150, SPX3185, SPX3200B; Motor Grader: 845, RG140 |
| Material | High-tensile EPDM rubber with polyester cord reinforcement |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Quality Standard | ISO 9001 |
| Engine System | Related Components |
|---|---|
| Cooling system drive | Fan clutch, fan hub bearing, coolant temperature sensor |
| Charging system drive | Alternator mounting bracket, alternator pulley, voltage regulator |
| Crankshaft output stage | Crankshaft pulley, harmonic balancer, front main seal |
| Belt tensioning assembly | Automatic tensioner, idler pulley, tensioner arm pivot |
A replacement fan belt that fails within the first few hundred hours usually points to a root cause that was never addressed.
In Guangzhou workshops I spent years pulling apart CASE loaders where a fresh belt had already shredded within weeks of installation. The pattern was almost always the same: the tensioner was sticking, the fan hub bearing had axial play, or the pulleys were no longer co-planar after a previous repair. Swapping the belt without diagnosing those upstream issues just sets the next belt up for the same fate [NEED_CITE: belt drive system misalignment failure modes in diesel engines]. A proper Fan Belt engine rebuild replacement means treating the belt as the final component in a system that has already been verified from the crankshaft forward.
This fan belt sits at the front end of the accessory drive, transferring crankshaft rotation to the cooling fan and alternator. During any engine overhaul, it is the last component installed but the first one that exposes problems elsewhere in the drive path. If the fan hub carries wear from the previous service life, the belt absorbs that vibration immediately. Addressing the Fan Belt engine rebuild replacement as part of a system-level refresh — rather than a single-line item — is what separates a reliable rebuild from one that comes back on a flatbed.
CASE loaders and tractors sharing the same base model can carry different belt drive configurations depending on build year and engine variant. The superseded references — J902309, J903099, J911570 — apply to earlier or alternate configurations that may look identical on a parts diagram but differ in belt length or cross-section profile. Verifying the engine serial number against the cross-reference list prevents the situation where a belt physically fits the pulleys but runs under incorrect tension [NEED_CITE: engine serial variant identification for belt drive systems]. This step matters most when the nameplate is worn or painted over and the machine model is the only starting point available.
The high-tensile EPDM rubber compound handles the heat soak from sustained heavy-load operation — quarry haulage, continuous trenching, grain-season harvesting — where under-hood temperatures push conventional rubber past its service limit. Polyester cord reinforcement maintains dimensional stability under repeated flexing around the crank and fan pulleys, resisting the stretch that causes a belt to ride lower in the groove over time. Full V-groove contact across the cross-section prevents edge wear that technicians often misdiagnose as a pulley fault when the real issue is a belt that was never dimensionally matched to the groove profile. The result is a Fan Belt engine rebuild replacement that holds tension through the service interval rather than requiring mid-cycle adjustment.
When a tensioner arm pivot is worn but not flagged during teardown, the new belt absorbs oscillating loads it was not designed for, leading to cord separation and sudden loss of drive to the alternator and cooling fan. The machine overheats on the next shift, and the technician assumes the belt itself was defective rather than recognizing the unaddressed tensioner fault [NEED_CITE: diagnostic sequence for repeated belt drive failures]. This pattern of replacing the symptom rather than the cause compounds across a fleet, where each repeat failure adds unplanned downtime and erodes confidence in the parts supply chain.
Own production on selected belt lines plus qualified sourced supply under one account means the fan belt, tensioner, and pulley arrive with matched QC and a single six-month warranty — no finger-pointing between suppliers if a drive issue surfaces. Eight product categories mean gaskets, seals, and bearings for the rest of the overhaul ship in the same consignment. Part identification works from a number, a machine model, a photograph of a worn label, or a nameplate image when the original stamping is illegible. Cross-reference verification covers superseded and alternate numbers so the correct belt variant ships the first time. Sample supply is available for fitment confirmation before a fleet-level bulk commitment.
<ul> <li>Overhaul kit contents verified item-by-item before dispatch</li> </ul>
View Details<p><strong>Transaxle Belt 587086101, Engine Drive Belt Replacement</strong> — compatible with Husqvarna and Ariens lawn tractor hydrostatic drive systems. Cross-reference interchange: 532426740, 580486301, 584973901, 21548469.</p> <ul> <li>Reinforced cord construction matches pulley engagement profile for stable power transfer from engine to transaxle</li> <li>Replacing this belt during transmission service should include inspection of pulleys, tensioners, and adjacent drive components to address root failure causes</li> <li>Thermal stability across seasonal operating extremes supports residential and commercial mowing cycles</li> </ul> <p>Complete matched sets ship together with overhaul components verified against your specific transmission serial variant.</p>
View Details<p><strong>50-00178-19 Belt for Carrier Ultima XTC and X2 Series</strong> — EPDM multi-rib design with aramid cord reinforcement, SAE J1459 compliant profile.</p> <ul> <li>Fits Carrier Ultima XTC, ULTRA XT, X2 1800, X2 2100, X2 2100A, X2 2100R, X2 2500A, X2 2500R transport refrigeration compressors (cross-reference: 500017819, CP10615)</li> <li>Supplied as part of a matched compressor drive set — belt length tolerance coordinated with tensioner stroke to prevent slippage and premature failure</li> <li>Pulley groove variant check recommended across X2 build generations before ordering</li> </ul> <p>Overhaul kit contents verified item-by-item against your compressor serial to ensure complete system match on dispatch.</p>
View Details<p><strong>01184002 Ribbed V-Belt, EPDM Compound, 6-Rib PK Profile</strong> — compatible with Deutz D 2.9 L4, TD 2.9 L4, and TCD 2.9 L4 engines. This belt drives the alternator, air compressor, and cooling fan as part of the accessory drive system; replacing it during overhaul prevents slippage-induced undercharge and thermal faults. Multi-rib pitch matched to engine serial variant. - Overhaul kit contents verified item by item before dispatch</p>
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