Sealed Power 4289M Engine Crankshaft Main Bearing Set

Name: Sealed Power 4289M Engine Crankshaft Main Bearing Set
Brand: Sealed Power
SKU: BDBR-4289M
Price: 104.19 USD
Availability: InStock

⚙️ 96 vehicles fit this part

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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Jeep, American Motors, and International, Cherokee, Comanche, Wagoneer, Wrangler, Eagle, J10, CJ7, Grand Wagoneer, Scrambler, Concord, Spirit, CJ5, DJ5, AMX, Pacer, Gremlin, Matador, Hornet, J20, CJ6, Javelin, 100, 200, MHC1310, MS1210, Scout II, 1010, 1110, 1210, 1310, Commando, J-100, J-2500, J-2600, J-4500, J-4600, J-4700, J-4800, M1100, M1200, M800 Post Office, Ambassador, M800, MA1200, J-3800, Rebel, 1000D, 1100D, 1200D, 1300D, Scout, J-2700, J-3500, J-3600, J-3700, Rambler, M1400, M800 Navy, Gladiator, American, J-2800, Marlin, and Classic

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Overview of Sealed Power 4289M Main Bearing Set

The Sealed Power 4289M engine crankshaft main bearing set is designed for reliable performance in Jeep vehicles. This full set is engineered with steel backed overplated bronze alloy to provide durable support for the crankshaft in various Jeep models including Cherokee, CJ5, CJ7, and more.

Full set package for complete crankshaft main bearing replacement
Constructed from steel backed overplated bronze alloy for strength and wear resistance
Standard size bearings to match OEM specifications
Compatible with multiple Jeep models such as Cherokee, Grand Wagoneer, Wrangler, and others
Part number 4289M for precise identification and fitment

Detailed Product Description

The Sealed Power 4289M main bearing set is manufactured to meet the exacting standards required for engine crankshaft support. The steel backed overplated bronze alloy material offers a balance of durability and smooth operation, reducing friction and wear on the crankshaft journals. This standard size bearing set ensures proper clearance and fit, maintaining engine integrity and performance. It is specifically designed for use in Jeep models including Cherokee, CJ5, CJ7, Comanche, Grand Wagoneer, J10, J20, Scrambler, Wagoneer, and Wrangler, making it a reliable choice for engine rebuilds or repairs.

Common Applications and Problem Solving

Replacement of worn or damaged crankshaft main bearings
Addressing engine knocking or unusual noises related to bearing wear
Restoring proper oil clearance to prevent crankshaft damage
Improving engine longevity by ensuring stable crankshaft rotation
Supporting engine rebuilds on Jeep Cherokee, Wrangler, and other compatible models

Installation Notes and Tips

When installing the Sealed Power 4289M main bearing set, ensure the crankshaft journals are clean and free of debris. Verify bearing clearances with proper measuring tools to maintain OEM specifications. Use assembly lubricant during installation to prevent initial startup wear. Follow the vehicle manufacturer’s torque specifications for main bearing caps to avoid distortion or damage.

Quality Assurance and Warranty

Sealed Power products are manufactured under strict quality control standards to ensure durability and performance. The 4289M main bearing set is made from high-quality materials designed to meet or exceed OEM requirements. While specific warranty details may vary, Sealed Power typically offers coverage against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.

Brand	Sealed Power
Part Number	4289M
Package Alert	Full set
Part Material	Steel backed overplated bronze alloy
Standard Size	Standard

This part fits 96 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
1990	Jeep	Cherokee	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1990	Jeep	Comanche	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1990	Jeep	Wagoneer	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1990	Jeep	Wrangler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989	Jeep	Cherokee	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989	Jeep	Comanche	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989	Jeep	Wagoneer	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1989	Jeep	Wrangler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1988	Jeep	Cherokee	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1988	Jeep	Comanche	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1988	Jeep	Wagoneer	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1988	Jeep	Wrangler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987	Jeep	Cherokee	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987	Jeep	Comanche	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987	Jeep	Wagoneer	4.0L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1987	Jeep	Wrangler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1986	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1986	Jeep	Grand Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1986	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985	Jeep	Grand Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1985	Jeep	Scrambler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1984	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1984	Jeep	Grand Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1984	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1984	Jeep	Scrambler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1983	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1983	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1983	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1983	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1983	Jeep	Scrambler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1983	Jeep	Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1982	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1982	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1982	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1982	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1982	Jeep	Scrambler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1982	Jeep	Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1981	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1981	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1981	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1981	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1981	Jeep	Scrambler	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1981	Jeep	Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1980	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1980	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1980	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1980	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1980	Jeep	Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1979	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1979	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1979	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1979	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1978	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1978	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1978	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1978	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1978	Jeep	CJ7	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1978	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1977	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1977	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1977	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1977	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1977	Jeep	CJ7	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1977	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	CJ7	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	CJ7	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1976	Jeep	J20	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1975	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1975	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1975	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1975	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1974	Jeep	Cherokee	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1974	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1974	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1974	Jeep	J10	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1974	Jeep	J20	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1973	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1973	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1973	Jeep	Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1972	Jeep	CJ5	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1972	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1972	Jeep	Wagoneer	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1971	Jeep	CJ5	4.2L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1971	Jeep	Wagoneer	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1970	Jeep	Wagoneer	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1969	Jeep	Wagoneer	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1968	Jeep	Wagoneer	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1967	Jeep	Wagoneer	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.
1966	Jeep	Wagoneer	3.8L	L6	N/A	Standard size Engine Connecting Rod Bearing Set suitable for various engine models.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1289320509832086267M704P7M8872BC315JMB763AMMB763SIMBS581BMS2704PMS704MMS704PVPM91285

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.