V-Belt 3288497 for Cummins Engine ISB QSB 6CTA ISC QSC 4B3.9 6A3.4 6B5.9 B C Series

Product Specifications

Compatible Models

Tired of Belt Failures Shutting Down Your Cummins Engine? Get the Right V-Belt 3288497 for ISB, QSB and 6CTA Applications

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.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

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.

Where This Part Works

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.

Engineering Details That Matter

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.

The Real Cost of Wrong Parts

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.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static, moisture-resistant retail packaging with branded labeling and protective foam insert
• In-stock items shipped within 2–5 working days from Guangzhou warehouse
• Flexible logistics: express (DHL/FedEx/UPS), air freight, or sea freight—customs documentation included
• Real-time tracking number provided upon dispatch, updated until final delivery
• MOQ: 1 piece—designed for urgent maintenance and small fleet operators

Get Your Cummins V-Belt Replacement Now

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.

Frequently Asked Questions