Cummins B Series Engine Gasket Kits: The Ultimate Sealing Solution by VP GASKET
Engineering excellence for the world’s most reliable engines. VP GASKET provides comprehensive sealing kits for Cummins 4BT, 6BT, and ISB/B4.5 platforms, ensuring zero leaks and peak performance.
Cummins B Series Engine Gasket for 4BT & 6BT
When it comes to the legendary Cummins B Series engines, maintaining a perfect seal is paramount for performance and longevity. At
Upper Engine Gasket Kit
OEM No.:4089648
Engine Model:4BT
Upper Engine Gasket Kit
OEM No.:4025271
Engine Model:6CT
Upper Engine Gasket Kit
OEM No.:4089648
Engine Model:4BT
Lower Engine Gasket Kit
OEM No.:3802375
Engine Model:4BT
Lower Engine Gasket Kit
OEM No.:3802376
Engine Model:6BT
Lower Engine Gasket Kit
OEM No.:3800487
Engine Model:QSB5.9
Full Engine Overhaul Gasket Kits
For a complete engine restoration, our overhaul kits provide 100% coverage, combining both upper and lower sets with additional O-rings and specialized seals. This is the most cost-effective solution for long-term engine life.
Upper Cummins B Series Engine Gasket Kits
Essential for top-end repairs, these kits include everything needed to seal the cylinder head to the engine block.
Lower Cummins B Series Engine Gasket Kits
Focusing on the bottom end, these kits are critical for preventing oil leaks and maintaining oil pressure.
Engine Compatibility: What Does the B Series Cover?
The Cummins B Series is one of the most versatile engine families in history. VP GASKET’s parts are perfectly compatible with the following variants:
- Mechanical Engines: 4B, 4BT, 4BTA (3.9L) and 6B, 6BT, 6BTA (5.9L). Widely used in older Dodge Ram trucks, construction equipment, and marine applications.
- Electronic Engines (ISB/QSB): ISB3.9, ISB5.9, and the modern QSB5.9 common-rail engines used in modern industrial and marine sectors.
CUMMINS 6BT GASKETS:
The gold standard for 5.9Lmechanical engines.
CUMMINS 6CT GASKETS:
Heavy-duty kits for 8.3L series.
CUMMINS 4BT GASKETS:
Reliable solutions for 3.9L engines.
CUMMINS QSB 5.9 GASKETS:
Precision seals forelectronic controlledmarine and industrialengines.
Applications
On-Highway: Light and medium-duty trucks, intercity buses.
Off-Highway: Excavators, loaders, and road rollers from brands like Liugong, SDLG, and Komatsu.
Power Generation: 20kW to 150kW generator sets.
Marine: Propulsion and auxiliary engines for commercial and recreational vessels.
Why Choose VP GASKET ?
Selecting a gasket supplier is a matter of trust. Here is why global wholesalers and repair shops choose
Years of Manufacturing Excellence
Founded in 2001, our parent company Hubei Lianzhong has grown into a leader in the auto parts industry with a registered capital of 50 million RMB. Our 17,000 square meter facility ensures we have the scale to meet large-scale global demand while maintaining strict quality control.
Global Shipping
From the United States to Brazil, and from Saudi Arabia to Australia, VP GASKET has a proven track record. We understand international logistics and provide rapid shipping to ensure your downtime is minimized.
square meter facility
We utilize advanced materials, including
Why VP GASKETS Stand Out In The Aftermarket?
Advanced Materials: We use Multi-Layer Steel (MLS) technology for our cylinder head gaskets to withstand the extreme combustion pressures of turbocharged B-series engines. Our rubber components feature high-grade Viton or Silicone compounds for superior oil and heat resistance.
Precision Engineering: Every gasket is laser-cut and tested for dimensional accuracy. A 0.1mm deviation can cause a leak; at VP GASKET, we eliminate that risk.
Comprehensive Coverage: We don’t just sell the popular kits. We support the entire B-series family, including the legacy 4BT/6BT and the newest electronic ISB/QSB models.
Frequently Asked Questions
What is the difference between an Upper Gasket Kit and a Lower Gasket Kit?
An Upper Kit (often called a Head Set) contains gaskets for the cylinder head, manifolds, and valves. A Lower Kit (Conversion Set) contains seals for the oil pan, crankshaft, and timing gear housing. An Overhaul Kit combines both.
How often should I replace the Cummins B Series Engine Gasket?
While a high-quality
Can these gaskets be used in Marine 6BT engines?
Absolutely. We offer specialized marine-grade gaskets that are treated to resist corrosion in salt-water environments, specifically for the 6BTA 5.9M series.
How do I know if my Cummins engine needs a new gasket?
Common signs include external oil or coolant leaks, white smoke from the exhaust (coolant burning), “chocolate milk” appearance in the oil (coolant mixing), or overheating.
Do you provide a warranty on your gasket kits?
Yes, all VP GASKET products come with a standard performance warranty. We stand behind our durability and sealing integrity.
Can I buy a single Cummins B Series Engine Gasket or only kits?
Get a Custom Quote
Our engineering team is ready to assist with kit identification, bulk pricing, and distributor applications. Please provide your Engine Serial Number (ESN) if inquiring about specific fitment.
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