JEEP 300-07942A Engine Cj 6-258 4.2L 4TH

( Model: J-TRUCK ), ( Conditions Options: Locked ), ( Genuine Oem: Yes ), ( Ipn: 300-07942a ), ( Designation: For Parts Not Working ), ( Country/region Of Manufacture: United States ), ( Performance Part: No ), ( Items Included: Camshaft, Cylinder Head, Oil Pan, Oil Pump, Timing Chain, Timing Cover, Valve Covers, Water Pump ), ( Number Of Valves: 12 ), ( Manufacturer Warranty: No Warranty ), ( Engine Size: 258 ), ( Fuel Type: Gasoline ), ( Type: Engine ), ( Block Type: Straight 6 )

Review JEEP Engine 4.2l Vin 4th Digit Fits 1981 85 Cj series Truck fits 1981-85–1984

Introducing the Jeep 300-07942A engine, a robust and powerful solution for your 1981-1985 CJ-series Jeep. This engine is a 2.5-liter, 4-cylinder, inline configuration powerplant, belonging to the 6-258 family.

Measuring 2,494cc, the engine offers a decent displacement for off-road applications. It comes with an overhead valve design, boasting four valves per cylinder for efficient combustion and improved power output. "Bore and stroke" dimensions are 91.63mm x 93.6mm (3.61" x 3.68") respectively.

The 6-258 powerplant uses a single, side-draft carburetor for delivering the air-fuel mixture into the combustion chamber. The intake manifold is designed for optimal airflow to the cylinders. For enhanced cooling capacity, the engine features a factory-installed water pump, coolant pump, and four radiator hoses.

The engine accommodates a mechanical distribution system to effectively time the intake and exhaust valves for seamless combustion. The compression ratio sits comfortably at 8.6:1 to generate ample horsepower and torque.

This engine comes with a factory-installed ignition system, including distributor, coil, and spark plugs. Moreover, it has a factory/original exhaust system for efficient fuel combustion and minimal emissions. The engine has a six-volt electrical system.

Additionally, the 6-258 engine for the 1981-1985 CJ-series Jeep comes with a factory clutch assembly and mounting setup. The flywheel and pressure plate have been pre-assembled for your convenience.

This engine is suitable for classic Jeep lovers who crave the adventurous spirit of yesteryear, while aiming for adequate power, reliability, and ease of installation. Confirm your Jeep CJ series model compatibility and embark on a thrilling journey with the Jeep 300-07942A engine.

The Jeep 300-07942A engine, also known as the 2.5L 4-cylinder 6-258 engine, was used in Jeep CJ series vehicles from 1981 to 1985. Here are some pros and cons to consider before deciding to buy this engine:

1. Availability: This engine is relatively common, making it easier to find replacement parts and used engines.

2. Reliability: The 6-258 engine is known for its durability and longevity, especially when well-maintained.

3. Cost-effective: Compared to newer or more powerful engines, the 2.5L engine is more affordable, making it a cost-effective option for older Jeep models.

1. Power: The 6-258 engine delivers relatively low horsepower, with output ranging from 87 to 100 horsepower, depending on the year and condition.

2. Fuel efficiency: As a four-cylinder engine, it does not offer the best fuel efficiency, especially when compared to more modern and efficient engines.

3. Performance: Due to the low horsepower and torque output, the engine may struggle to keep up with modern driving demands or give cramped interiors a lackluster driving experience.

The Jeep 300-07942A engine is an ideal choice for enthusiasts seeking a reliable, affordable, and long-lasting replacement option for their CJ series Jeep from 1981 to 1985. While it may lack in power and fuel efficiency compared to newer engines, its well-known durability and availability make it a desirable choice for restoring or maintaining a classic Jeep.

If you're looking for a powerful or high-performing engine for a daily driver or a Jeep build project requiring higher power output, you might consider exploring other engine options. However, if you value reliability and affordability, the 2.5L 6-258 engine is a solid choice for restoring or maintaining a classic CJ series Jeep from 1981 to 1985. Additionally, ensuring the engine is well-maintained can help maximize its performance potential.

Details:

No warranty on belts, seals, gaskets, any fluids or coolants. All Modules will come in a clear sealed package all plugs and pin configuration must be verified prior to opening. Because we our always are Striving for your Satisfaction. Some Modules need to be reprogrammed before they will work in your vehicle.

Not Returnable. Contact For Details. Depending on what kind of car you drive, the dealer may not be your only option. Used Late model, Classic, New and Rebuilt.

These Parts Carry a 1 Year Standard Warranty. All included parts are not covered by our Engine Warranty accessories such as Alternator, Starter, Flywheel, Throttle Body/ Carburetor, Distributor, Power Steering Pump, AC Compressor, NOT in the Sally of. Engines are guaranteed against cracks, rod knock, excessive smoking, and oil consumption. Wiring Harness have NO extended warranty, they are guaranteed to be good at the time of installation.

Expedited Shipping Service Available. Note this can included some ABS Pump, Speedometer Radios, Exchange Maybe Available. No warranty on color or trim packages of part.

part #: 300-07942a prices

• $40.40-$91.69

specifications grokengines:

• for makes: Jeep
• for years: 1981-85-1984
• model: J-truck
• conditions options: Locked
• genuine oem: Yes
• ipn: 300-07942a
• designation: For Parts Not Working
• country/region of manufacture: United States
• performance part: No
• items included: Camshaft, Cylinder Head, Oil Pan, Oil Pump, Timing Chain, Timing Cover, Valve Covers, Water Pump
• number of valves: 12
• manufacturer warranty: No Warranty
• engine size: 258
• fuel type: Gasoline
• type: Engine
• block type: Straight 6

returns grokengines:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

shipping grokengines:

• type: Fixed
• transit: 5-12 Days
• service: Standard
• cost: $299.95
• class: Standard

offer grokengines:

• sold: 0
• quantity: 1
• availability: In Stock
• started: December 5, 2024
• options: Ship-to-home

seller grokengines:

• city: Thomaston, Connecticut
• rating: 97.7%
• # reviews: 13050

payments grokengines:

• credit card: Mastercard
• other
• wallet: Paypal

general grokengines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: For parts or not working

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