DJ Rock MB3190.30 Engine Crankshaft Main Bearing Set

Name: DJ Rock MB3190.30 Engine Crankshaft Main Bearing Set
Brand: DJ Rock
SKU: FLPN-MB3190.30
Price: 130.07 USD
Availability: OutOfStock

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46 vehicles fit this part

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

Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Rainier, Trailblazer EXT, Envoy XL, Envoy XUV, and Bravada

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Overview of DJ Rock Engine Crankshaft Main Bearing Set MB3190.30

The DJ Rock Engine Crankshaft Main Bearing Set MB3190.30 is designed for reliable engine performance in select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. This bearing set supports the crankshaft, ensuring smooth rotation and reducing engine wear in models such as the Trailblazer, Envoy, and Ascender.

Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
Fits models including 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
Part number MB3190.30 for precise identification
Engine crankshaft main bearing set designed for cylinder block components
Manufactured by DJ Rock for consistent quality and fitment

Product Details and Compatibility

This engine crankshaft main bearing set is engineered to meet the specifications required for the cylinder block components of various mid-size SUVs and crossovers. The MB3190.30 bearing set is compatible with multiple makes and models, including the Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7x. It ensures proper crankshaft support and reduces friction between moving parts, which is critical for maintaining engine integrity and performance.

Common Applications and Problem Solving

Addresses crankshaft wear and tear in Buick, Chevrolet, and GMC engines
Helps reduce engine noise caused by worn main bearings
Prevents engine knocking related to bearing failure in Isuzu and Oldsmobile models
Supports engine longevity by maintaining proper crankshaft alignment in Saab 9-7x
Restores smooth engine operation in Trailblazer and Envoy series vehicles

Installation Notes and Tips

Ensure engine block and crankshaft surfaces are clean and free of debris before installation
Use proper torque specifications when securing main bearing caps to avoid distortion
Check oil clearance with plastigage to confirm correct bearing fitment
Replace all related seals and gaskets during installation to prevent leaks
Consult vehicle-specific service manuals for detailed installation procedures

Quality Assurance and Warranty Information

DJ Rock manufactures the MB3190.30 Engine Crankshaft Main Bearing Set to meet industry standards for durability and performance. While specific warranty details may vary, DJ Rock products typically come with a limited warranty covering defects in materials and workmanship. This bearing set undergoes quality control inspections to ensure consistent fitment and function across all compatible Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models.

This part fits 46 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
2009	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2009	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2009	Saab	9-7x	4.2L	L6	N/A	.030" (.75mm)
2008	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2008	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2008	Isuzu	Ascender	4.2L	L6	N/A	.030" (.75mm)
2008	Saab	9-7x	4.2L	L6	N/A	.030" (.75mm)
2007	Buick	Rainier	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2007	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2007	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2007	Isuzu	Ascender	4.2L	L6	N/A	.030" (.75mm)
2007	Saab	9-7x	4.2L	L6	N/A	.030" (.75mm)
2006	Buick	Rainier	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2006	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2006	Chevrolet	Trailblazer EXT	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2006	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2006	GMC	Envoy XL	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2006	Isuzu	Ascender	4.2L	L6	N/A	.030" (.75mm)
2006	Saab	9-7x	4.2L	L6	N/A	.030" (.75mm)
2005	Buick	Rainier	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2005	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2005	Chevrolet	Trailblazer EXT	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2005	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2005	GMC	Envoy XL	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2005	GMC	Envoy XUV	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2005	Isuzu	Ascender	4.2L	L6	N/A	.030" (.75mm)
2005	Saab	9-7x	4.2L	L6	N/A	.030" (.75mm)
2004	Buick	Rainier	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2004	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2004	Chevrolet	Trailblazer EXT	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2004	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2004	GMC	Envoy XL	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2004	GMC	Envoy XUV	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2004	Isuzu	Ascender	4.2L	L6	N/A	.030" (.75mm)
2004	Oldsmobile	Bravada	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2003	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2003	Chevrolet	Trailblazer EXT	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2003	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2003	GMC	Envoy XL	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2003	Isuzu	Ascender	4.2L	L6	N/A	.030" (.75mm)
2003	Oldsmobile	Bravada	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2002	Chevrolet	Trailblazer	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2002	Chevrolet	Trailblazer EXT	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2002	GMC	Envoy	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2002	GMC	Envoy XL	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)
2002	Oldsmobile	Bravada	4.2L	L6	N/A	LL8; 0.030 inch (0.75mm)

* 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:

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