Block & Internal Parts
In Stock Valve Cover Gasket Set for Dodge Cummins 12V 5.9L
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Block & Internal Parts 3902666 Cummins Compatible Dodge Cummins 5.9L

In Stock Valve Cover Gasket Set for Dodge Cummins 12V 5.9L

Valve Cover Gasket Set 3902666, 3910824, 3930906 — NBR with reinforced fiber, -40°C to +150°C — compatible with Dodge Cummins 5.9L 12V, Hyundai R210LC-7, Volvo EC290 and a wide range of B-series and ISB engines.

  • In stock at our Guangzhou warehouse for immediate dispatch
  • Single-piece MOQ supports emergency single-machine repairs
  • Send a photo of the worn nameplate or engine serial for fast identification when the part number is unreadable
  • Express courier reaches most global destinations within 4–8 business days after dispatch

3–12 month warranty covers replacement and return shipping for verified manufacturing defects.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Ready to Ship — Guangzhou warehouse holds this Valve Cover Gasket Set for emergency dispatch with transparent freight timing quoted at inquiry.

Technical Specifications

Parameter Value
Part Number 3902666, 3910824, 3930906, J902666, 2853071, SA 3910824, SA3910824, SA 3930906, SA3930906
Product Type Valve Cover Gasket Set
Cross-Reference 3902666, 3910824, 3930906, J902666, 2853071 (reference only)
Machine Fitment Dodge Ram 2500 5.9L, Hyundai R140LC-7, R140W-7, R160LC-3, R200W-7, R210LC-7, R220LC-7, R250LC-7, R290LC-7, R305LC-7, R320LC-7, Volvo EC290, EC140, Cummins 6B, 6BT, 6B5.9, 4B3.9, 6C8.3, ISB, ISC, ISL, QSB, QSC series
Material High-temperature nitrile rubber (NBR) with reinforced fiber carrier
Condition New Aftermarket
Warranty 3–12 months against manufacturing defects
MOQ 1 piece
Compression Set Resistance OEM-spec
Temperature Range -40°C to +150°C
Surface Finish Tolerance ±0.05 mm
Cutting Method CNC-controlled die-cut
ASTM Standard ASTM D2000 (heat aging at 125°C for 72 hours)
Certification ISO 9001, ASTM D2000, ISO 3601-1

Application Suitability

Failure Symptom Replacement Urgency
Oil seepage at valve cover perimeter Immediate — contamination risk to belts and hoses
Burnt oil smell in engine bay High — potential fire hazard under sustained load
Low oil level warnings without visible leak Moderate — slow weep may worsen under thermal cycling
Cracked or brittle existing gasket during inspection Scheduled — replace before next operational cycle
White smoke from oil dripping onto hot exhaust Immediate — safety-critical shutdown condition

What Arrives Before the Machine Can Move Again

Stocked valve cover gasket set ready for same-day dispatch from Guangzhou.

When a Cummins-powered excavator leaks oil across the engine bay, every hour spent confirming whether 3902666 or 3910824 is the right number costs the contractor revenue. I have watched night-shift messages arrive with blurred nameplate photos, and sending the wrong gasket means the machine sits idle for days while the correct part crosses borders [NEED_CITE: equipment downtime cost impact on construction project scheduling].

This Valve Cover Gasket Set ships within the week because it already sits on the warehouse shelf. No waiting for production runs, no consolidating from multiple factories.

Availability and Identification Without Delays

The inventory status for this Valve Cover Gasket Set in stock fast shipping replacement is confirmed at inquiry. Send a photo of the engine plate, the machine model, or the old gasket itself. I cross-check the serial range against the fitment table before packing, because Cummins B-series and ISB variants use different cover profiles despite sharing base numbers. A single-piece minimum means a workshop repairing one Dodge Ram 2500 5.9L does not have to buy a dozen sets to meet a supplier threshold.

Arrival Timing From Warehouse to Job Site

Express courier delivery reaches most global destinations within a week after dispatch. The freight quote arrives with the order confirmation, listing departure date, transit window, and tracking handoff. The gasket set packs flat in a rigid mailer suited to air freight, avoiding the dimensional weight penalties that inflated boxes trigger. Weekend inquiries receive a dispatch estimate before the next working day ends, so the machine downtime calculation stays in hours rather than days [NEED_CITE: international air freight transit time variables for aftermarket parts].

Valve cover gasket set for Cummins 5.9L diesel engine

Material Selection and Thermal Endurance

The high-temperature NBR compound with fiber reinforcement handles sustained exposure to engine bay heat without losing compression recovery. ASTM D2000 heat aging at 125°C for 72 hours verifies the rubber retains sealing force after repeated thermal cycles. The ±0.05 mm surface finish tolerance ensures the gasket seats evenly across the machined cover flange, preventing point-loading that causes early extrusion. CNC die-cutting produces consistent bolt-hole alignment, so installers do not stretch or tear the gasket forcing it over studs.

Gasket bolt hole alignment and fiber reinforcement detail

The Cost of Getting the Wrong Gasket

Shipping the incorrect variant because a worn nameplate hid the engine serial means the machine stays down while the return crosses back and the replacement goes out. Misidentified gaskets also cause oil leaks that contaminate adjacent belts and electrical connectors, creating secondary failures that trace back to a sealing fault rather than component wear [NEED_CITE: engine oil contamination effects on serpentine belt and sensor reliability].

Why Source This Part Here

Own production lines and qualified sourced supply carry identical warranty terms, so buyers receive consistent quality regardless of manufacturing origin. The eight-category warehouse means an order containing this Valve Cover Gasket Set alongside fuel filters, seal kits, and undercarriage pins ships as one consignment. Part identification works from a photograph when the number is unreadable, and cross-reference verification covers superseded numbers that other sellers have not updated.

Documentation & Verification

  • Commercial invoice listing part numbers and fitment notes for customs clearance
  • Cross-reference sheet showing interchange numbers marked reference only
  • Dimensional check record confirming bolt pattern and thickness tolerance
  • Warranty terms covering manufacturing defects for 3–12 months
  • Packing photographs showing gasket protected in rigid mailer before dispatch
  • HS code provided for import classification support

Stock, Shipping & Arrival

  • Current stock status confirmed before order placement for this gasket set
  • Express, air, and sea freight options quoted with arrival window at inquiry
  • Rigid flat mailer packaging prevents creasing during transit
  • Tracking number provided upon dispatch with handoff confirmation
  • Weekend and holiday inquiries receive next-business-day response

Inquire With Engine Details for Rapid Confirmation

Provide the engine serial number, machine model, or a clear photograph of the existing gasket or nameplate. This allows immediate verification of the correct variant from the fitment range covering Cummins B-series through ISL and QSB families. Freight options and dispatch timing follow once the part is confirmed, giving the information needed to decide without committing upfront.

Frequently Asked Questions

Q: Is this valve cover gasket set currently in stock? A: Yes, this Valve Cover Gasket Set sits in the Guangzhou warehouse ready for dispatch. Stock levels update in real time, and confirmation arrives with the inquiry response. Single-piece and multi-piece orders ship from the same inventory without production delay.

Q: What is the minimum I can order for an urgent repair? A: One piece. The single-unit minimum supports emergency repairs without forcing bundling or shelf-stock purchases. A workshop replacing one failed gasket on a Hyundai R210LC-7 orders exactly what the job requires.

Q: How fast can it arrive at my location? A: Express courier delivery reaches most destinations within 4–8 business days after dispatch. The freight quote includes departure date, transit window, and tracking details, provided before payment so the timeline is known upfront.

Q: The nameplate is worn or painted over — can I send a photo to confirm the right part? A: Yes. Send a photograph of the engine plate, the old gasket, or the valve cover itself. The technical team cross-checks the visual details against the fitment database to verify the correct part number before dispatch.

Q: What happens if the part I receive does not fit? A: The warranty covers replacement and return shipping for verified manufacturing defects. If identification error occurs despite photo confirmation, the replacement ships immediately while the return processes, minimizing additional machine downtime.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

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.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
Get a Fast Quote

Inquire About This Product

Fill in your details and we'll respond within 24 hours with a competitive quote.

Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support