Keep your Cummins 5.9L 6BT engine running leak-free with the Valve Cover Gasket Set 3902666, designed to fit Dodge, Hyundai, and Volvo heavy equipment. This precision-molded set replaces worn gaskets to prevent oil seepage, reducing downtime and protecting critical engine components from contamination.
Backed by ISO-certified manufacturing and our 3–12 month warranty, this gasket set delivers reliable performance without the long lead times of OEM parts.
| Parameter | Details |
|---|---|
| Part Name | Valve Cover Gasket Set |
| Replacement Part Numbers | 3910824, 3902666, 3930906, J902666, 2853071, SA 3910824, SA3910824, SA 3930906, SA3930906 |
| Compatible Engine Brand | Cummins |
| Engine Models | 4B3.9, 6B5.9, 6C8.3, B3.9 G, B4.5, B5.9 G, B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, B6.7S, C GAS PLUS CM556, C8.3 G, G5.9, G5.9 CM558, G8.3, G8.3 CM558, GTA8.3 CM558, ISB CM2150, ISB CM550, ISB CM850, ISB3.9 CM2220 B107, ISB5.9 CM2880 B127, ISB5.9G CM2180, ISBE CM800, ISBE4 CM850, ISC CM2150, ISC CM554, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISL CM850, ISL G CM2180, ISL9 CM2250, ISL9 CM2350 L101, L GAS PLUS CM556, L8.9G CMOH2.0 L125B, L9 CM2450 L126B, L9.3 L105, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, N14 CELECT, NH/NT 855, QSB3.3 CM2150, QSB3.9 30 CM550, QSB4.5 30 CM550, QSB4.5 CM2350 B174C, QSB4.5 CM850(CM2850), QSB5.9 30 CM550, QSB5.9 CM550, QSB5.9 CM850, QSB5.9G, QSB6.7 CM850(CM2850), QSC8.3 CM554, QSC8.3 CM850(CM2850), QSJ8.9 G, QSK19 CM2350 K105, QSK19 CM2350 K114, QSK23 CM2350 K127, QSL9 CM554, QSL9 G CM558, QSX15 CM2350 X105, X15 CM2350 X130C, X15 CM2350 X139C, 6B, 6BT |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Brand | Applicable Models |
|---|---|
| Hyundai Excavator | R140LC-7, R140W-7, R160LC-3, R200W-7, R210LC-7, R210NLC-7, R220LC-7, R250LC-7, R290LC-7, R305LC-7, R320LC-7 |
| Hyundai Forklift | 100D-7, 120D-7, 135D-7, 160D-7 |
| Hyundai Loader | HL730-7, HL730TM-7, HL740-3 ATM, HL740-7, HL740TM-7, HL757-7, HL757TM-7 |
| Volvo Excavator | EC290, EC140, KEC150, KEW130 |
Every hour your Cummins-powered equipment sits idle due to oil leaks costs hundreds in lost productivity. Using uncertified gaskets often leads to repeat failures—we've seen repair shops replace the same valve cover three times in a month because of substandard parts. OEM gaskets for Dodge, Hyundai, and Volvo machinery take 2-4 weeks to arrive, forcing you to choose between expensive downtime or risky temporary fixes.
Our Valve Cover Gasket Set 3902666 solves these frustrations with precision-engineered replacements that meet OEM specifications. Backed by 10 years of export experience and partnerships with ISO-certified factories, we ensure each gasket undergoes rigorous material inspection and performance testing before shipment. With over 10,000 SKUs in stock at our Guangzhou warehouse, this Cummins 5.9L gasket set ships within 2-5 working days—no more waiting for critical repairs.
This Valve Cover Gasket 3902666 performs in the toughest conditions: construction sites where engines endure constant vibration, mining operations with extreme temperature fluctuations, and port equipment running 24/7. It seals the valve cover on Cummins 6BT engines—preventing oil leaks that can damage cylinder heads, contaminate engine bays, and trigger equipment shutdowns. For Hyundai R210LC-7 excavators and Volvo EC290 machines, this is the critical seal that keeps your fleet operational.
Our gaskets are designed for maximum durability: precision-cut from high-temperature resistant materials that maintain elasticity even under 120°C operating conditions. The reinforced outer edge ensures proper compression between the valve cover and cylinder head, eliminating the common failure points of cheaper gaskets. Each set includes all necessary seals for complete coverage, ensuring a leak-free installation that matches the original equipment's performance. The exact fit for 6BT engines means no modifications or guesswork during installation—saving your technicians valuable time.
While budget gaskets may cost 30% less upfront, they typically fail within 3-6 months, requiring repeat teardowns and replacement. A single oil leak can damage sensors, wiring harnesses, and other engine components—resulting in repair bills 10x the cost of a quality gasket. Our 3-12 month warranty covers manufacturing defects, giving you confidence that this 3902666 Gasket Set for Dodge, Hyundai, and Volvo machinery will perform as long as the original. When you factor in reduced downtime and fewer repairs, our gaskets deliver lower total cost of ownership.
We partner exclusively with ISO-certified factories and enforce strict quality control: every gasket undergoes incoming material inspection and pre-shipment performance testing. Our 20+ technical experts verify part compatibility within 2 hours, ensuring you get the right component for your specific engine model. With 10 years of export experience serving 120+ countries, we've built a reputation for reliable delivery and responsive support.广州仓库常备库存 means most orders ship within 2-
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
Fill in your details and we'll respond within 24 hours with a competitive quote.
Explore more high-quality excavator and heavy equipment parts from XUNPO.
Keep your Yanmar 3TNV88 or 3TNV80 engine running at peak performance with...
Get your Yanmar 3TNA72 engine running like new again with this precision-manufactured...
Keep your Massey Ferguson tractor engine running smoothly with the reliable 733817M1...
Get your Kubota excavator back to peak performance with the reliable Connecting...
