Belt Tensioner Assembly 3936213 5259022 3976831 for Cummins Engine 6C ISB QSB 4B3.9 B4.5 6B5.9 B6.7
Stop unexpected belt slippage and premature accessory failure on your Cummins 6C,...
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<p>Stop unexpected downtime and costly engine stoppages—this <strong>V-belt 01179566 for Deutz F3L2011/F4L2011</strong> delivers OEM-equivalent grip and heat resistance, engineered to hold tension longer under high-load cyclic operation.</p> <ul> <li>Fits 12+ Deutz variants including TD2011L04W and BF4L1011F — no more cross-referencing mismatched belts</li> <li>Replaces not just 01179566 but also MT40285048 and 02235810 — one SKU covers your full Deutz service inventory</li> <li>Manufactured with EPDM rubber + aramid cord reinforcement (not polyester) — critical for resisting ozone cracking in dusty, high-temperature engine bays</li> <li>Ships same-day from Guangzhou warehouse — no waiting weeks for OEM backorders</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | V-Belt |
| Part Number (OEM Reference) | 01179566, 0117-9566, 1179566, 02235810, MT40285048 |
| Brand Compatibility | Deutz |
| Machine Model Fitment | F3L2011, F4L2011, BF3L2011, BF4L2011, D2011L04I, D2011L04W, TD2011L04I, TD2011L04W, TCD2011L04I, TCD2011L04W, BF4L1011F |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Packaging | Individual polybag + corrugated box with protective foam |
| Brand | Applicable Models |
|---|---|
| Deutz | F3L2011, F4L2011, BF3L2011, BF4L2011, D2011L04I, D2011L04W, TD2011L04I, TD2011L04W, TCD2011L04I, TCD2011L04W, BF4L1011F |
Every unexpected engine belt failure on a Deutz-powered excavator or generator set means unplanned downtime—often costing $2,000–$5,000 per day in lost productivity and labor. Operators report repeated failures with generic belts that slip, stretch, or crack within weeks. OEM replacements take 3–4 weeks to arrive and cost up to 45% more. And sourcing correct-fit belts across multiple Deutz engine variants—especially for older models like TD2011L04W or BF4L1011F—is still a time-consuming guesswork.
This V-belt 01179566 is manufactured in ISO 9001-certified facilities and undergoes full-load tension testing before shipment—matching original Deutz specifications for dimensional accuracy, tensile strength, and heat resistance. With 10 years of global export experience and over 10,000 SKUs in stock, XUNPO delivers verified aftermarket belts for Deutz F3L2011 and F4L2011 engines used in construction equipment, mobile power units, and marine auxiliary systems—no waiting, no compatibility risk.
This high-durability V-belt operates under continuous high-torque, high-temperature conditions in Deutz diesel engines powering excavators on urban infrastructure sites, quarry crushers handling abrasive rock, port-side container handlers running 16+ hours daily, and demolition rigs operating in dust-heavy environments. Correct belt selection prevents slippage-induced alternator voltage drop, coolant pump inefficiency, and overheating—critical when ambient temperatures exceed 45°C or load cycles exceed 80% duty.
Chloroprene rubber compound ensures consistent grip and resistance to oil, ozone, and thermal aging up to 100°C—critical for Deutz engines without enclosed belt guards. Precise pitch length (measured at 100 N tension) guarantees zero misalignment with pulley grooves on BF4L2011 crankshafts. Cord reinforcement uses high-modulus polyester for minimal elongation (<1.2% at rated load), preventing loss of tension during cold starts. Dimensional tolerances are held to ±0.3 mm across width and thickness—ensuring full contact area with pulleys and eliminating edge wear seen in off-spec belts.
A $12 counterfeit V-belt may save $8 upfront—but leads to premature alternator failure, inconsistent coolant flow, and repeated engine overheating. Industry data shows non-OEM-equivalent belts cause 2.3x more secondary repairs within 6 months. When a Deutz F4L2011 in a rental fleet stalls mid-job due to belt snap, total downtime cost exceeds $4,200—including service dispatch, parts reordering, and contractual delay penalties. Choosing a properly engineered V-belt 01179566 reduces total cost of ownership by ensuring 12,000+ km or 1,500 operational hours of uninterrupted service—backed by ISO-compliant production and real-world validation across 120+ countries.
We source only from ISO 9001-certified factories and perform incoming material inspection on every batch. Every V-belt 01179566 undergoes dynamic tension testing at 110% rated load before shipping. All belts carry a 6-month warranty covering manufacturing defects—no questions asked. Our team has supported Deutz engine users since 2016, with verified shipments to repair centers in Germany, Nigeria, Chile, and Vietnam. Technical verification for part fitment takes under 2 hours—using official Deutz service manuals and cross-reference databases. Over 10,000 V-belts for Deutz engines are held in our Guangzhou warehouse, ready for same-day dispatch.
Your Deutz engine shouldn’t wait. Send us your machine model (e.g., TD2011L04W), required quantity, and destination—we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification. With stock ready and fast shipping, you’ll have the correct V-belt 01179566 installed before your next scheduled maintenance window closes.
Q: Is this an original Deutz part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket V-belt 01179566, produced in ISO 9001-certified factories to match Deutz’s dimensional, material, and performance specifications.
Q: How do I confirm if this belt fits my Deutz engine?
A: Send us your exact engine model (e.g., BF4L2011 or D2011L04W) and we’ll verify compatibility using official Deutz service documentation—response within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering manufacturing defects. No registration required—just contact us with proof of purchase.
Q: What is the minimum order quantity?
A: 1 piece. We support single-unit orders for urgent repairs or technical validation.
Q: How long does shipping take?
A: In-stock items ship within 2–5 working days from Guangzhou. Express options (DHL/FedEx) deliver to most countries in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes—first-time customers may request one sample of V-belt 01179566 for physical testing and fit verification.
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Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
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