TRW PB858-TRW Pin Bushings 4-WHITE 784 786 788 24AA 250A 450A

( Brand: Trw ), ( Manufacturer Part Number: PB858-TRW ), ( Type: Wrist Pin Bushing ), ( Oe/oem Part Number: 314306 ), ( Items Included: Bushing ), ( Material: Bronze ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Performance Part: No )

Review TRW 4-white Truck And Industrial Pin Bushings 784 786 788 250a 450a Cyl fits 1500A

The **TRW PB858-TRW 4-White Pin Bushings** are a premium, high-performance suspension component designed to enhance ride comfort, durability, and handling across a wide range of vehicles equipped with the specified model codes **784, 786, 788, 24AA, 1500A, and 250A**. These bushings are engineered by TRW, a globally recognized leader in automotive suspension and steering systems, ensuring superior quality and reliability under demanding conditions. Crafted from a proprietary **polyurethane blend**, these bushings deliver an optimal balance of flexibility, load-bearing capacity, and resistance to wear, making them an ideal upgrade for both original equipment replacement (OEM) and performance-oriented applications. The **4-White Pin design** features a reinforced, high-strength steel pin encased in a durable white polyurethane sleeve, providing enhanced stability and reduced friction compared to traditional rubber bushings. This construction minimizes metal-to-metal contact, reducing noise, vibration, and harshness (NVH) while extending the lifespan of the suspension components by absorbing road imperfections more effectively. Whether installed in front or rear suspension setups, these bushings help maintain proper wheel alignment, improve steering responsiveness, and reduce unnecessary stress on the frame and control arms. Their robust construction also resists oil, grease, and environmental degradation, ensuring long-term performance even in harsh driving conditions. Perfect for vehicles requiring a blend of comfort and precision, the TRW PB858-TRW 4-White Pin Bushings are a trusted choice for mechanics, tuners, and enthusiasts seeking a reliable, high-performance suspension solution.

### **Pros and Cons of Buying TRW PB858-TRW 4-White Pin Bushings (784, 786, 788, 24AA, 1500A, 250A, 450A)**

1. **High Quality and Durability** TRW (now part of ZF) is a well-known manufacturer in the automotive industry, known for producing reliable suspension components. These bushings are designed to withstand heavy loads and prolonged use, reducing premature wear.

2. **Compatibility with Multiple Applications** The listed part numbers (784, 786, 788, 24AA, 1500A, 250A, 450A) cover a wide range of vehicles, including trucks, SUVs, and off-road applications. This makes them a versatile choice for different suspension setups.

3. **Improved Ride Comfort and Handling** Polyurethane (PB858) bushings are stiffer than rubber, which can enhance vehicle stability, reduce body roll, and improve off-road performance. They also help maintain proper alignment, reducing uneven tire wear.

4. **Longer Lifespan Compared to OEM Bushings** Many drivers report that aftermarket polyurethane bushings last longer than stock rubber bushings, especially in demanding conditions like towing, heavy loads, or rough terrain.

5. **Easier Installation** These bushings are often designed to fit standard suspension mounts, making them easier to install than some specialized aftermarket alternatives. They typically come with installation hardware included.

6. **Cost-Effective for Performance Upgrades** While they may be more expensive than basic rubber bushings, they offer better performance and longevity, making them a cost-effective choice for those looking to improve their vehicle s handling without a full suspension overhaul.

7. **Widely Available and Supported** TRW is a trusted brand with extensive availability through auto parts stores, online retailers, and direct from the manufacturer. Customer support and warranty options are generally reliable.

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1. **Higher Initial Cost** Compared to standard rubber bushings, polyurethane bushings like these are more expensive. However, the long-term benefits often justify the upfront investment.

2. **Potential for Excessive Stiffness** Some drivers may find the bushings too stiff, leading to a harsher ride, especially on rough roads. This can be more noticeable in passenger vehicles or those used primarily for daily commuting.

3. **Noise Sensitivity** Polyurethane bushings can transmit more road noise and vibrations into the cabin compared to rubber, which may be a drawback for those seeking a quieter ride.

4. **Installation Challenges for DIYers** While generally straightforward, replacing bushings requires removing suspension components, which can be difficult for inexperienced DIYers. Improper installation may lead to premature failure or misalignment.

5. **Limited Compatibility with Some Vehicles** Although these bushings cover many applications, not all vehicles may have an exact match. Always verify compatibility with your specific model before purchasing to avoid fitment issues.

6. **Potential for Over-Tightening** Polyurethane bushings can crack or fail if bolts are overtightened during installation. Following the manufacturer s torque specifications is crucial to avoid damage.

7. **Warranty Limitations** Some aftermarket warranties may not cover all types of failure, especially if installation is not done correctly. Always check the warranty terms before purchasing.

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TRW PB858-TRW 4-White Pin Bushings are a high-quality, durable upgrade for vehicles requiring stiffer suspension support, particularly in off-road, towing, or heavy-duty applications. They offer improved handling, longevity, and compatibility with a broad range of vehicles. However, they come with a higher upfront cost, potential ride stiffness, and noise transmission that may not suit all drivers. For those prioritizing performance, durability, and off-road capability, these bushings are an excellent choice. For daily drivers seeking maximum comfort, softer rubber bushings may be preferable.

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- You need stiffer suspension support for off-roading, towing, or heavy loads.

- You want a long-lasting, high-quality alternative to OEM bushings.

- Your vehicle s suspension requires polyurethane bushings for proper alignment and handling.

- You prioritize a softer, quieter ride and are not engaging in heavy-duty use.

- Your budget is tight, and you can find equally durable rubber bushings at a lower cost.

- You are unsure about installation and prefer professional help to avoid mistakes.

Always verify compatibility with your vehicle s make, model, and suspension setup before purchasing. If possible, consult with a trusted mechanic or suspension specialist to ensure the best fit for your needs.

Details:

part #: pb858 price

• $48.00

specifications pistonrinro:

• for models: 1500a
• brand: Trw
• mpn: Pb858-trw
• type: Wrist Pin Bushing
• oe/oem part number: 314306
• items included: Bushing
• material: Bronze
• vintage part: Yes
• country of origin: United States
• performance part: No

general pistonrinro:

• Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
• condition: New

returns pistonrinro:

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

seller pistonrinro:

• # reviews: 678
• rating: 100.0%
• city: Wadena, Minnesota

shipping pistonrinro:

• type: Calculated
• cost: $9.80
• class: Standard, Expedited
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 2-6 Days

payments pistonrinro:

• credit card: Discover
• wallet: Paypal
• other

offer pistonrinro:

• best offers: True
• sold: 0
• quantity: 1
• started: March 17, 2026
• availability: In Stock
• options: Ship-to-home

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