BORG-WARNER 3774904 Front Reverse Idler Gear T10-10Q 3.42

( Brand: Borg-warner ), ( Manufacturer Part Number: 3774904 ), ( Items Included: N/a. ), ( Item Diameter: 15t ), ( Material: Steel ), ( Vintage Part: Yes ), ( Type: Reverse Gear ), ( Ipn: T10-10q ), ( Oe/oem Part Number: 1304 084-004 ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: No )

Review BORG WARNER Speed Front Reverse Idler Gear Tooth To Chevy 3.42 Ratio Only fits ST10 1979–2015

Borg Warner ST10 Front Reverse Idler Gear for 15-inch Differentials (1979-1983 Chevy 3.42)

The Borg Warner ST10 Front Reverse Idler Gear is an essential component designed for use in 15-inch differentials, specifically for Chevrolet vehicles manufactured between 1979 and 1983 with a gear ratio of 3.42. This part plays a crucial role in the smooth operation of the vehicle's drivetrain by facilitating the engagement and disengagement of the reverse gear.

Constructed from high-quality materials, this Borg Warner idler gear is engineered to withstand the rigors of constant use and the test of time. Its robust design ensures reliable performance, even under heavy loads or in challenging driving conditions. The precision-machined teeth ensure a positive engagement with the ring gear, contributing to a seamless and efficient power transfer between the engine and the wheels.

The Borg Warner ST10 Front Reverse Idler Gear features a unique design that allows it to function as both an idler gear and a reverse idler gear. In the idler position, it maintains the proper tension on the drive and intermediate shafts, ensuring the smooth operation of the differential. When the vehicle is placed in reverse gear, this idler gear engages with the reverse idler pinion to facilitate the movement of the ring and pinion gears, enabling the vehicle to move in reverse.

This Borg Warner part is an excellent choice for vehicle owners looking to maintain the performance and longevity of their Chevy 3.42 differential. By replacing a worn or damaged idler gear with a new, high-quality component, you can help prevent potential drivetrain issues and ensure your vehicle continues to run smoothly and efficiently.

Installation of the Borg Warner ST10 Front Reverse Idler Gear is relatively straightforward, though it is recommended that the installation be performed by a qualified mechanic or experienced DIY enthusiast. Properly following the manufacturer's instructions and using the appropriate tools will help ensure a successful installation and minimize the risk of damaging other components.

Overall, the Borg Warner ST10 Front Reverse Idler Gear is an essential component for maintaining the performance and reliability of your 1979-1983 Chevy 3.42 differential. Its high-quality design and robust construction ensure that it will stand up to the demands of your vehicle and provide you with the peace of mind that comes from knowing your drivetrain is in good working order.

Borg Warner 3774904 ST10 Front Reverse Idler Gear for 1979-1983 Chevy 3.42: A Comprehensive Analysis

The Borg Warner 3774904 ST10 Front Reverse Idler Gear is a critical component in the transmission system for certain 1979-1983 Chevy models with a 3.42 rear axle ratio. This part plays a vital role in facilitating the smooth operation of the transmission by facilitating the movement of the transmission output shaft when reversing. In this analysis, we will discuss the advantages and disadvantages of purchasing this part to help you make an informed decision.

1. OEM Quality: The Borg Warner 3774904 ST10 Front Reverse Idler Gear is an original equipment manufacturer (OEM) part, meaning it is designed and manufactured by the same company that originally produced it for your Chevy vehicle. This ensures a perfect fit and optimal performance.

2. Reliability: As an OEM part, it is engineered to meet the highest standards of quality and durability. This means it is less likely to fail prematurely compared to aftermarket alternatives.

3. Easy Installation: The Borg Warner 3774904 ST10 Front Reverse Idler Gear is designed to be a direct replacement for the failing part in your transmission. This makes the installation process relatively straightforward, saving you time and effort.

1. Cost: The Borg Warner 3774904 ST10 Front Reverse Idler Gear is typically more expensive than aftermarket alternatives. This might be a concern for those on a tight budget.

2. Longer Wait Time: Since it is an OEM part, you might have to wait longer to receive it, as they are usually sourced directly from the manufacturer or its authorized distributors.

When considering the purchase of the Borg Warner 3774904 ST10 Front Reverse Idler Gear for your 1979-1983 Chevy with a 3.42 rear axle ratio, it is essential to weigh the pros and cons. The benefits of purchasing an OEM part include reliability, easy installation, and a perfect fit. However, the downsides include a higher cost and longer wait time compared to aftermarket alternatives.

If you prioritize the highest level of reliability and a perfect fit, as well as the peace of mind that comes with using an OEM part, the Borg Warner 3774904 ST10 Front Reverse Idler Gear is an excellent choice for your Chevy vehicle. However, if cost and wait time are significant concerns, you may want to consider an aftermarket alternative. Ultimately, the decision depends on your priorities and budget.

Details:

15T internal reverse Idler Gear 3.42 Ratio only Nice used Oem part no Chipped teeth.

part #: 3774904 price

• $175.00

specifications manutransmission:

• for models: St10
• for makes: Chevy
• for years: 1979-2015
• brand: Borg-warner
• mpn: 3774904
• items included: N/a.
• item diameter: 15t
• material: Steel
• vintage part: Yes
• type: Reverse Gear
• ipn: T10-10q
• oe/oem part number: 1304 084-004
• country/region of manufacture: United States
• universal fitment: No

returns manutransmission:

• policy: No Returns

general manutransmission:

• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
• condition: Used

offer manutransmission:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: September 10, 2025

payments manutransmission:

• credit card: Discover
• other
• wallet: Google-pay

seller manutransmission:

• city: Huntington Station, New York
• rating: 100.0%
• # reviews: 1980

shipping manutransmission:

• carrier: UPS
• cost: $10.00
• class: Standard
• service: UPS Ground
• transit: 3-7 Days
• type: Fixed

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