3970945 Engine Drive Belt Idler Pulley For QSB6.7 QSB5.9 6.7L 5.9L
Product Details
| Model Name: | For QSB6.7 QSB5.9 6.7L 5.9L | Engine Type: | Diesel |
|---|---|---|---|
| Product Name: | Engine Drive Belt Idler Pulley | Application: | Construction Machinery, Heavy Duty Machinery, Agricultural Machinery, Excavator, Forklift, Marine, Mining, Bus, Truck, Generator, Etc |
| Part Number: | 3970945 | Condition: | 100% Brand New |
| Quality: | Genuine / OEM / Aftermarket | Packaging: | Branded / Neutral / Customized |
| Customization: | Sample / Design / Drawing | MOQ: | 1 Piece |
| Warranty: | 6-12 Month | Certificate: | ISO9001/ IATF 16949/ CE |
| Delivery Time: | 3-7 Working Days | Trade Terms: | FOB/ EXW/ CIF/ FIR /DAP /DDP |
| Shipping: | Express / Sea Freight / Land Freight / Air Freight | Payment: | T/T, Trade Assurance, Western Union, Credit Card |
| Advantage: | Professional Service/ Competitive Price/ Ready To Ship |
Product Description
A belt tensioner is a device that applies a predetermined amount of tension to the engine's accessory drive belt (serpentine belt). Its primary function is to maintain constant, optimal tension on the belt as it wears and stretches over time. This prevents the belt from slipping, squealing, or throwing off, ensuring that critical components like the alternator, water pump, and A/C compressor operate reliably. This belt tensioner 3970945 is engineered for maximum durability and precise fitment in QSB6.7 QSB5.9 6.7L 5.9L engines. Manufactured to meet or exceed OEM standards, it ensures optimal engine performance and a long service life under heavy-duty conditions.
Whether for full engine rebuilds or quick replacements, DDP Engine provides you with the most reliable parts at unbeatable wholesale prices.
Parameter Details
Product Name: Belt Tensioner
Part Number: 3970945
Condition: Brand New / High-Quality OEM / Aftermarket
Warranty: 6 Months / 1 Year
Engine Model: QSB6.7 QSB5.9 6.7L 5.9L
Application:
QSB6.7 (6.7L): Commonly used in medium and large excavators (such as 305LC-9, EX200-7), loaders, road rollers, concrete pump trucks, and medium-to-high power generator sets (160–230 kW), with rated power typically 130–194 kW (175–260 hp). It is matched with a high-pressure common rail system, balancing power and emissions compliance.
QSB5.9 (5.9L): Primarily used in small excavators (such as PC200-7, 320D), light construction machinery, fire pump trucks, oilfield vehicles, and low-power generator sets (90–130 kW), with rated power approximately 110–180 kW (150–240 hp). It features a compact structure and lower cost; some models (such as QSB5.9-C180) are alternatives to the China III emission standard.
Why Choose DDP Engine:
100% Quality Guaranteed: All parts undergo rigorous testing to ensure perfect compatibility and premium performance.
Fast Worldwide Shipping: Large inventory in stock. Orders are typically processed within 3-7 working days with reliable global express and Transportation.
Professional Technical Support: Unsure about the part number? Contact our engineering team for exact cross-reference matching.
Flexible Solutions: Providing Genuine, OEM, and premium Aftermarket spare parts to fit your budget.
Product Highlights
A belt tensioner is a device that applies a predetermined amount of tension to the engine's accessory drive belt (serpentine belt). Its primary function is to maintain constant, optimal tension on the belt as it wears and stretches over time. This prevents the belt from slipping, squealing, or ...
3936213 3281583 3934821 3945527 3976831 5259022 3973819 3349230 3934821 6754-61-4111 3937555 3936205 3917440 4063948 Engine V-ribbed Belt Tensioner Pulley For 6CT 6CT8.3 ISLe
A belt tensioner is a device that applies a predetermined amount of tension to the engine's accessory drive belt (serpentine belt). Its primary function is to maintain constant, optimal tension on the belt as it wears and stretches over time. This prevents the belt from slipping, squealing, or throwing off, ensuring that critical components like the alternator, water pump, and A/C compressor operate reliably. This belt tensioner 3936213 3281583 3934821 3945527 3976831 5259022
3936210 3973827 3914854 3934822 5333480 3973822 3934817 SP120022 Engine V-ribbed Belt Tensioner Pulley For 6CT 6CT8.3 ISLe
A belt tensioner is a device that applies a predetermined amount of tension to the engine's accessory drive belt (serpentine belt). Its primary function is to maintain constant, optimal tension on the belt as it wears and stretches over time. This prevents the belt from slipping, squealing, or throwing off, ensuring that critical components like the alternator, water pump, and A/C compressor operate reliably. This belt tensioner 3936210 3973827 3914854 3934822 5333480 3973822
5333478 3976832 3937556 3936207 3934823 3922901 3911621 5333486 3973824 3936206 Engine V-ribbed Belt Tensioner Pulley For 6CT 6CT8.3 6BT
A belt tensioner is a device that applies a predetermined amount of tension to the engine's accessory drive belt (serpentine belt). Its primary function is to maintain constant, optimal tension on the belt as it wears and stretches over time. This prevents the belt from slipping, squealing, or throwing off, ensuring that critical components like the alternator, water pump, and A/C compressor operate reliably. This belt tensioner 5333478 3976832 3937556 3936207 3934823 3922901
5254599 7808-3206 GTA5026 Engine V-ribbed Belt Tensioner Pulley For ISF2.8
A belt tensioner is a device that applies a predetermined amount of tension to the engine's accessory drive belt (serpentine belt). Its primary function is to maintain constant, optimal tension on the belt as it wears and stretches over time. This prevents the belt from slipping, squealing, or throwing off, ensuring that critical components like the alternator, water pump, and A/C compressor operate reliably. This belt tensioner 5254599 7808-3206 GTA5026 is engineered for
Please use our online inquiry contact form below if you have any questions, our team will get back to you as soon as possible.
