<p>Stop downtime from belt slippage or sudden failure on your Cummins B and C series engines — this <strong>heavy-duty V-belt 3288497</strong> delivers OEM-equivalent grip and heat resistance, even under continuous high-load operation.</p> <ul> <li>Fits Cummins ISB, QSB, 6CTA, ISC, QSC, 4B3.9, 6A3.4, and 6B5.9 — verified for correct pitch length and rib profile to prevent misalignment on dual-pulley alternator drive setups</li> <li>Replaces part numbers <strong>3288497 and C3288497</strong> — no guesswork, no fitment surprises</li> <li>Made with aramid-reinforced EPDM compound for 3× longer service life vs. generic belts in high-temperature engine bays</li> <li>Ships same-day from our Guangzhou warehouse — no waiting weeks for OEM backorders</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | V-Belt |
| Part Number (OEM Reference) | 3288497, C3288497 |
| Brand Compatibility | Cummins |
| Machine Model Fitment | Cummins ISB, QSB, 6CTA, ISC, QSC, 4B3.9, 6A3.4, 6B5.9, B Series, C Series |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original retail packaging with protective inner lining |
| Brand | Applicable Models |
|---|---|
| Cummins | ISB, QSB, 6CTA, ISC, QSC, 4B3.9, 6A3.4, 6B5.9, B Series, C Series |
Every unexpected engine shutdown costs operators thousands in lost productivity—especially on critical jobs like quarry loading or port material handling. A single failed V-belt on a Cummins ISB or 6CTA engine can stall an entire fleet for days. OEM belts take 2–4 weeks to arrive and cost 40% more, while counterfeit alternatives often last less than half the service life and cause pulley damage or alternator failure.
This Cummins V-belt 3288497 is manufactured in ISO-certified factories under strict dimensional and tensile specifications. Built for high-torque, continuous-duty applications in excavators, generators, and heavy transport vehicles, it delivers consistent tension retention and heat resistance across 10,000+ hours of operation. With 10 years’ experience supplying Cummins engine belt replacements globally—and 10,000+ SKUs in stock—we ship verified parts that match original fit, form, and function.
This heavy-duty V-belt for Cummins B and C series operates reliably in mining haul trucks, marine auxiliary power units, construction site generators, and demolition equipment where ambient temperatures exceed 70°C and vibration levels remain high. It serves as the primary alternator drive belt on ISB/QSB engines and powers multiple accessories—including air compressors and hydraulic pumps—in multi-belt serpentine configurations. Selecting the correct replacement is essential to prevent slippage-induced voltage drop or premature bearing wear in driven components.
Each belt uses EPDM rubber compound with aramid cord reinforcement—proven to resist ozone cracking, oil mist, and thermal degradation up to 120°C. The precise 32.5° V-angle ensures full contact with pulley grooves, minimizing lateral slip and uneven wear. Dimensional tolerance is held to ±0.3 mm across length and cross-section, guaranteeing interchangeability without adjustment. Surface texture is optimized for grip retention even when exposed to dust and light moisture—critical for off-road equipment operating in Southeast Asian monsoons or Middle Eastern sandstorms. All batches undergo tensile strength testing at ≥1,800 N before release.
A $25 counterfeit belt may save upfront—but risks $1,200 in labor to re-tension and inspect after failure, plus $3,000+ in downtime for a mid-shift generator outage at a remote mine site. Incorrect length or angle causes rapid sidewall abrasion, leading to belt disintegration and potential damage to crankshaft dampers or water pump housings. Genuine-equivalent performance isn’t about price—it’s about total cost of ownership: this Cummins engine belt meets SAE J1459 and ISO 4184 standards, delivering predictable 25,000–35,000 km service intervals when installed per Cummins Bulletin 3379-03. Choosing wisely avoids cascading failures and preserves warranty eligibility on integrated systems.
We partner exclusively with ISO 9001-certified manufacturers and perform incoming inspection on every batch of raw materials. Every V-belt 3288497 undergoes 100% pre-shipment performance verification—including tension retention, flex cycle, and dimensional validation—ensuring OEM-equivalent reliability. We offer 3–12 month warranties covering manufacturing defects, no questions asked. With 10 years exporting to 120+ countries—from Nigeria’s gold mines to Canada’s forestry fleets—our track record is verified by repeat orders. Our 20+ technical specialists include certified Cummins field engineers who confirm part compatibility within 2 hours. And because your time matters, we hold over 10,000 commonly used parts—including this Cummins 6CTA 6B5.9 serpentine belt—in our Guangzhou warehouse for same-day dispatch.
Your machine isn’t generating revenue while waiting. Send us your part number (3288497), engine model (e.g., ISB 6.7L), and required quantity—we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. With guaranteed quality and fast turnaround, you’ll get back to work—not wait for parts.
Q: Is this an original Cummins part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket V-belt 3288497, produced in ISO 9001-certified facilities to meet Cummins engineering tolerances and material specifications.
Q: How do I confirm if this belt fits my specific Cummins engine?
A: Provide your exact engine model (e.g., QSB 5.9, ISC 8.3) and serial number prefix—we’ll verify compatibility within 2 hours using our technical database and factory cross-reference charts.
Q: What is the warranty coverage?
A: 3–12 months limited warranty against manufacturing defects. If failure occurs due to material or workmanship, we replace free of charge upon return verification.
Q: What is the minimum order quantity?
A: 1 piece. We support urgent repairs and small-scale operators with no volume requirements.
Q: How soon can I receive the belt after ordering?
A: In-stock items ship within 2–5 working days from Guangzhou. Express options deliver to North America/Europe in 3–6 business days; air and sea available for larger quantities.
Q: Can I request a sample before placing a bulk order?
A: Yes—first-time customers are eligible for sample testing. Contact us via WhatsApp or email to arrange.
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