GM GENUINE PARTS 42721955 Front Half Shaft Retaining Ring

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 42721955 ), ( Part Type: Ring Shaft ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review GM GENUINE PARTS Front Half shaft Retaining Ring

GM Front Half-Shaft Retaining Ring (Part Number: 42721955)

The GM Front Half-Shaft Retaining Ring, part number 42721955, is an essential automotive component designed for the efficient operation of your vehicle's drivetrain system. This ring plays a crucial role in securing the front half-shaft to the transmission or differential, enabling the smooth transfer of power from the engine to the wheels.

Manufactured to meet original equipment (OE) specifications, this retaining ring is engineered with high-strength materials to ensure durability, reliability, and longevity. Its precise dimensions and tolerances guarantee a perfect fit and seamless integration with your vehicle's powertrain components.

The retaining ring features a simple yet robust design, consisting of a circular ring with an external tooth pattern that engages with the corresponding splines on the half-shaft. The inner diameter of the ring accommodates the transmission or differential output shaft, while the outer diameter securely fits onto the half-shaft.

The GM Front Half-Shaft Retaining Ring is an important preventative maintenance item, as its failure can result in unwanted vibrations, noise, or even drivetrain damage. Regular inspections and timely replacement can help prevent these issues and keep your vehicle running smoothly and efficiently.

1. Drain the transmission fluid and remove the driveshaft from the vehicle.

2. Carefully remove the old retaining ring, taking note of its orientation and condition.

3. Install the new retaining ring, ensuring it is properly aligned and seated.

4. Reassemble the drivetrain components in reverse order.

5. Refill the transmission fluid and perform any necessary adjustments.

By following these steps and installing a genuine GM Front Half-Shaft Retaining Ring, you can restore the reliability and performance of your vehicle's drivetrain system.

1. OEM Compatibility: This part is an original equipment manufacturer (OEM) replacement, ensuring proper fit and function in General Motors vehicles.

2. Durability: GM-manufactured parts are designed to meet high-quality standards, which can lead to long-lasting performance.

3. Genuine Warranty: The OEM part often comes with a warranty that covers manufacturing defects and provides peace of mind for customers.

1. Cost: OEM parts can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on the location and availability, it might take longer to obtain an OEM part from a dealer compared to an aftermarket alternative.

3. Limited Customization: OEM parts may not offer the same level of customization as aftermarket alternatives.

When deciding whether to buy a GM 42721955 front half-shaft retaining ring, consider your priorities. If you value the peace of mind that comes with a genuine OEM part, are willing to pay a premium, and don't mind the potential wait for availability, then purchasing this part is a good choice. However, if you're looking for a more cost-effective or customizable solution, you might consider exploring aftermarket alternatives. Ultimately, the decision depends on your budget, vehicle usage, and personal preferences.

Details:

Electrical parts are not returnable. Parts must be re-saleable and in the original packaging. All estimated delivery options based on in-stock parts. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

In stock orders ship within 24 hours. Need a hard to get part. Want official GM factory parts. Buyer pays for return shipping.

An order or a portion of an may be cancelled up until the time it is shipped and no longer in our possession.

part #: 42721955 prices

• $10.57-$11.06

specifications cpartransmissio:

• brand: Gm Genuine Parts
• mpn: 42721955
• part type: Ring Shaft
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement

offer cpartransmissio:

• sold: 0
• started: January 11, 2026
• quantity: 2
• availability: In Stock
• options: Ship-to-home

general cpartransmissio:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > CV Joints, Boots Parts

seller cpartransmissio:

• rating: 97.4%
• city: Fenton, Michigan
• # reviews: 584

shipping cpartransmissio:

• cost: $0.00
• service: Standard, Expedited
• type: Fixed
• class: Standard, Expedited
• transit: 3-6 Days

payments cpartransmissio:

• credit card: Mastercard
• other
• wallet: Apple-pay

returns cpartransmissio:

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

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