GM 3998289 Oil Pump Drive Intermediate Shaft Big Block Nos

( Brand: Gm ), ( Type: Engine Oil Pump Intermediate Shaft ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: 3998289 ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )

Review GM Chevrolet Oil Pump Drive Intermediate Shaft Big Block Nos fits 396 427 454

The GM 3998289 Chevrolet Oil Pump Drive Intermediate Shaft is a critical component in the engine's oiling system for big block Chevrolet engines with displacements of 396, 427, and 454 cubic inches. This intermediate shaft connects the oil pump and the crankshaft, facilitating the transfer of oil from the pump to the engine bearings and other vital components.

This specifically engineered part is manufactured to meet the highest standards of quality and durability. It is precision-machined from high-strength materials to ensure exceptional rigidity and reliability, even under the most demanding operating conditions. The surface finish is smooth and free from defects, which contributes to efficient oil flow and reduces friction.

The GM 3998289 Oil Pump Drive Intermediate Shaft features a robust design with a press-fit end that securely connects to the oil pump and the crankshaft. The press fit ensures a tight seal and minimal play, reducing the risk of leaks and oil loss. The shaft diameter and length are designed to perfectly match the specifications of the big block Chevrolet engines it is intended for, ensuring a seamless fit and proper function.

This replacement part is an excellent choice for those seeking to restore the performance and reliability of their classic or high-performance Chevrolet vehicle. It is also an ideal solution for those who are rebuilding their engine or have identified this part as needing replacement due to wear, damage, or failure.

The GM 3998289 Chevrolet Oil Pump Drive Intermediate Shaft is a no-frills, high-quality component that delivers the performance and reliability you expect from a genuine GM part. It is backed by a warranty that gives you peace of mind and the confidence that you have made a wise investment.

Buying the GM part number 3998289 Chevrolet oil pump drive intermediate shaft for big block engines (396, 427, 454) involves considering its potential advantages and disadvantages for your specific situation. Here are some points to ponder:

1. OEM (Original Equipment Manufacturer) part: This shaft is an original GM part, ensuring it fits correctly and functions as designed for your Chevrolet engine.

2. Quality and durability: As an OEM part, it is engineered to meet the same high standards as the original equipment that came with your vehicle. This can save you from potential problems associated with aftermarket parts.

3. Compatibility: This part is specifically designed for the big block engines (396, 427, 454), ensuring a precise fit and optimal performance.

1. Cost: OEM parts can be more expensive than aftermarket alternatives. However, the added peace of mind and potential longevity could offset the initial investment.

2. Availability: Depending on your location and the availability of GM dealerships or parts distributors, you may need to wait for the part to be delivered.

3. Installation: If you're not mechanically inclined, installing this part yourself may require professional assistance, which could add to the overall cost.

When deciding to buy the GM part number 3998289 Chevrolet oil pump drive intermediate shaft, consider the advantages of having a high-quality, OEM part that ensures compatibility and durability. Weigh these benefits against the potential disadvantages, such as cost and availability, to make an informed decision.

If you prioritize engine performance, reliability, and peace of mind, purchasing the OEM part number 3998289 Chevrolet oil pump drive intermediate shaft is recommended. If you're budget-conscious or prefer to install the part yourself, consider exploring aftermarket alternatives. However, keep in mind that aftermarket parts may not provide the same level of compatibility and durability as OEM parts. Ultimately, your decision should be based on your specific needs, budget, and expertise.

Details:

Includes plastic collar This is old stock. GM part number 3998289 oil pump intermediate shaft.New in the package.

part #: 3998289 prices

• $15.00-$24.00

specifications pumppruner:

• for models: 396, 427, 454
• for makes: Chevrolet
• brand: Gm
• type: Engine Oil Pump Intermediate Shaft
• manufacturer warranty: 1 Year
• manufacturer part number: 3998289
• country/region of manufacture: United States
• vintage part: Yes

seller pumppruner:

• city: Sussex, Wisconsin
• rating: 100.0%
• # reviews: 1126

offer pumppruner:

• quantity: 1
• started: June 1, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home

returns pumppruner:

• policy: No Returns

payments pumppruner:

• cash
• money order
• wallet: Google-pay
• credit card: Mastercard
• other

shipping pumppruner:

• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• cost: $6.82
• transit: 4-9 Days

general pumppruner:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts

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