3.8L Jeep Wrangler Remanufactured Engine
The 3.8L Jeep Wrangler remanufactured engine is a
professionally remanufactured 3.8L V6 engine designed for the listed
Jeep Wrangler applications. This replacement engine is completely
disassembled, thoroughly cleaned, inspected, precision machined,
reassembled and SIM tested as part of the remanufacturing process.
The engine features a 3.8L displacement, 6-cylinder V6
configuration, iron engine block, aluminum cylinder heads and an
OHV 12-valve design. The supplied application data identifies
block casting number 4666031AB and VIN code
1.
Every engine goes through multiple stages of cleaning, inspection,
machining and assembly. Required components are replaced during the
rebuilding process, and the completed engine is SIM tested to help
verify compression, oil pressure, cooling-system pressure and overall
build quality.
Jeep Wrangler 3.8L V6 Engine Highlights
- 3.8L V6 Jeep Wrangler engine
- 3.8L / 3778cc displacement
- 6-cylinder configuration
- OHV 12-valve design
- Iron engine block
- Aluminum cylinder heads
- Gasoline fuel type
- VIN code 1
- Block casting #4666031AB
- Fully disassembled and professionally remanufactured
- Precision machining and component inspection
- Required new components installed during rebuilding
- SIM tested after final assembly
Professional 3.8L V6 Engine Remanufacturing Process
A quality Jeep 3.8L remanufactured engine goes through
a structured rebuilding process rather than simply receiving a few
replacement parts. Each stage prepares the engine’s components for
final assembly and testing.
1. Complete Disassembly and Deep Cleaning
The engine is completely disassembled before remanufacturing begins.
Cast-iron components are hot tanked and aluminum components are
thermally cleaned where applicable. This removes accumulated oil,
carbon, dirt and other contaminants before inspection.
2. Detailed Component Inspection
Components are visually inspected for wear, damage and other
conditions that could affect serviceability. Magnaflux testing is
used on appropriate metal components to help identify microscopic
cracks and fissures that may not be visible during a standard
inspection.
3. Precision Machining and New Components
Required machining operations are performed to restore critical
engine surfaces and dimensions. Deck surfaces are CNC machined,
while required replacement components are installed during assembly.
Depending on component condition and application requirements, new
components may include bearings, pistons, piston rings, lifters,
oil pump, gaskets, Viton valve seals, freeze plugs, galley plugs
and timing components.
4. Final Assembly and SIM Testing
Following final assembly, the engine is SIM tested. The cooling and
oil systems are pressurized and the crankshaft is spun at high RPM
to help verify compression, oil pressure, cooling-system pressure
and overall build quality.
3.8L Jeep Wrangler Engine Vehicle Fitment
This Jeep Wrangler 3.8L replacement engine is listed
for the following application:
| Year |
Make |
Model |
Engine |
| 2007–2011 |
Jeep |
Wrangler |
V6 3.8L / 3778cc |
Important: The supplied product information contains
different year ranges in the product heading and introductory bullet.
The Vehicle Fitment table lists 2007–2011 Jeep Wrangler. Confirm the
exact application, engine code, VIN and casting information before
ordering.
How to Identify the Jeep 3.8L Engine
Correct engine identification is important when purchasing a
replacement engine. The supplied product data identifies this
application using the 4666031AB block casting and
VIN code 1.
- Engine Size: 3.8L
- Engine Configuration: V6
- VIN: 1
- Block Casting: 4666031AB
- Crank Casting: 6433
- Left Head Cast: 4694688AA/AB, 4666049AA
- Right Head Cast: 4694688AA/AB, 4666049AA
Casting numbers can assist with identification, but they should be
checked against the complete vehicle application before purchasing.
3.8L V6 Engine Specifications
| Engine |
Jeep 3.8L V6 |
| Displacement |
3.8L / 3778cc |
| Engine Type |
V6 |
| Number of Cylinders |
6 |
| Number of Valves |
12 |
| Head Type |
OHV |
| Fuel Type |
Gasoline |
| Engine Block Material |
Iron |
| Cylinder Head Material |
Aluminum |
| VIN Code |
1 |
| Block Casting |
4666031AB |
| Crank Casting |
6433 |
| Left Head Casting |
4694688AA/AB, 4666049AA |
| Right Head Casting |
4694688AA/AB, 4666049AA |
| Weight |
Not specified in supplied product data |
| Dimensions |
Not specified in supplied product data |
Jeep Wrangler 3.8L Replacement Engine
If your Jeep Wrangler requires a complete engine replacement, this
3.8L V6 replacement engine is listed for the
2007–2011 Wrangler application in the supplied vehicle fitment data.
Before purchasing a Jeep Wrangler replacement engine,
compare your original engine’s VIN code, block casting number and
other identification information with the specifications listed
on this product page.
3.8L V6 Jeep Engine
This 3.8L V6 Jeep engine uses an iron block,
aluminum cylinder heads and an OHV 12-valve configuration. Its
3.8L displacement corresponds to 3778cc in the supplied vehicle
fitment information.
Application verification is essential because replacement-engine
compatibility can depend on model year, engine identification,
VIN and casting numbers.
Looking for a 3.8L Jeep Replacement Engine?
Selecting the correct 3.8L Jeep replacement engine
starts with accurate vehicle and engine identification. Confirm
the year, model, engine size, VIN code and casting information before
placing your order.
This remanufactured Jeep 3.8L engine goes through cleaning, inspection,
machining, assembly and SIM testing as part of the rebuilding process,
providing a complete replacement powertrain option for compatible
applications.
Need Help Confirming Jeep 3.8L Fitment?
Engine compatibility can depend on the exact vehicle application,
VIN code and casting numbers. If you are unsure whether this
3.8L Jeep Wrangler remanufactured engine is the
correct replacement for your vehicle, contact Mechron Tech before
ordering.
Contact Mechron Tech for application and
engine-identification assistance.
