1. Pitman & Idler Arms Suspension Steering For Sale
  2. sku: 15534607137255633
  3. ZF 84447502S

ZF 84447502S Pitman Arm Steering Linkage Trw 844475-02

fits make: Peterbilt, Kenworth.

844475-02 Zf 84447502s New Pitman Arm Steering Linkage Fits Peterbilt Kenworth Trw Oem

( Brand: Zf ), ( Manufacturer Part Number: 84447502S ), ( Part Type: Steering Arm ), ( Oe/oem Part Number: 844475-02 )

Review ZF New Pitman Arm Steering Linkage Peterbilt Kenworth Trw Oem

The **ZF 84447502S (844475-02) Pitman Arm Steering Linkage** is a precision-engineered, high-performance steering component designed exclusively for heavy-duty Class 8 trucks, including models from **Peterbilt and Kenworth**, as well as other commercial vehicles equipped with **TRW (Tenneco) steering systems**. This robust, cast steel linkage serves as a critical link in the steering geometry, transmitting steering wheel input from the steering column through the **tie rod assembly** to the **spindle or drag link**, ensuring smooth, responsive, and accurate directional control under the most demanding conditions. Manufactured to exacting **OEM specifications**, this pitman arm is forged from **high-strength alloy steel**, heat-treated for durability, and machined to tight tolerances to prevent wear, flex, or binding even during prolonged operation in extreme environments, such as off-road hauling, towing heavy loads, or navigating rough terrain. The **spherical bearing** at the linkage s pivot point is precision-bushed with **self-lubricating, corrosion-resistant materials**, such as **polyurethane or bronze**, to minimize friction, reduce maintenance requirements, and extend service life. This design also incorporates **reinforced flanges and reinforced mounting points**, which are critical for absorbing the high torque forces generated by the steering rack or worm gear system, particularly in vehicles with **air-over-hydraulic or power-assisted steering**. Compatible with a wide range of **TRW steering racks** (including models like the **TRW 2000, 3000, and 4000 series**), this pitman arm is a direct-fit replacement for original equipment, ensuring seamless integration with the vehicle s steering column, intermediate shaft, and tie rod assembly. Whether used in **regional haul trucks, long-haul rigs, or specialized service applications**, this component is built to withstand the rigors of commercial trucking, delivering **consistent performance, reliability, and safety** while reducing the risk of steering failure a critical factor in preventing accidents and downtime. Proper installation requires alignment with the **steering gear s output shaft** and the **tie rod or drag link**, often necessitating the use of **specialized tools** to ensure proper torque specifications are met, thus maintaining optimal steering geometry and vehicle handling. For fleets prioritizing **long-term durability and cost efficiency**, this pitman arm represents a **direct OEM-quality replacement** that helps maintain the integrity of the steering system, reducing the likelihood of premature wear on associated components like the steering rack, tie rods, and bushings.

### **Pros and Cons of buying a ZF 84447502S (Pitman Arm Steering Linkage for Peterbilt/Kenworth TRW)**

#### **Pros:**

1. **Direct Compatibility** This part is specifically designed for Peterbilt and Kenworth trucks equipped with TRW steering systems, ensuring a proper fit without modification.

2. **High-Quality Construction** Manufactured by ZF, a well-known automotive and commercial vehicle supplier, this part is built to withstand heavy-duty use, reducing premature wear.

3. **Enhanced Steering Performance** A properly functioning pitman arm ensures smooth, responsive steering, improving overall vehicle handling and driver comfort.

4. **Prevents Further Damage** If the existing pitman arm is worn or damaged, replacing it early can prevent secondary issues, such as misalignment or excessive play in the steering system.

5. **Easier Maintenance** Since it s a standard replacement part, mechanics familiar with Peterbilt/Kenworth trucks can install it relatively quickly, reducing downtime.

6. **Warranty Coverage** Purchasing from a reputable supplier may include a warranty, providing peace of mind against defects in materials or workmanship.

7. **Cost-Effective Long-Term Solution** Replacing a faulty pitman arm early avoids more expensive repairs down the road, such as steering rack or tie rod failures.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to aftermarket or generic replacements, OEM or high-quality parts like this may be more expensive, increasing initial maintenance costs.

2. **Installation Complexity** While not overly difficult, replacing a pitman arm requires some mechanical skill, especially if the truck is lifted or if additional components (like the drag link or idler arm) need adjustment.

3. **Potential Misalignment Issues** If not installed correctly, the steering may become misaligned, leading to uneven tire wear or poor handling until properly adjusted.

4. **Limited Availability** Depending on the region, finding an exact match (especially for older truck models) may require ordering from a specialty supplier, which could delay receipt.

5. **Wear on Related Components** If other steering parts (e.g., drag link, steering box) are worn, replacing just the pitman arm may not fully resolve steering issues, requiring additional repairs.

6. **Labor Costs** If professional installation is required, labor fees can add to the total expense, especially in high-cost service areas.

7. **Risk of Counterfeit Parts** Purchasing from untrusted sellers may result in substandard or fake parts, leading to premature failure and wasted money.

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### **Conclusion**

The **ZF 84447502S pitman arm** is a reliable, high-quality replacement part for Peterbilt and Kenworth trucks with TRW steering systems. Its primary advantages lie in its **direct compatibility, durability, and performance benefits**, making it a strong choice for fleet operators or owners who prioritize long-term reliability. However, the **higher cost, installation requirements, and potential need for additional adjustments** must be considered.

If the steering system shows signs of wear (e.g., loose play, uneven tire wear, or difficulty turning), replacing the pitman arm is a **proactive measure** to prevent more costly failures. For best results, **source the part from an authorized dealer or reputable supplier** and ensure proper installation by a qualified mechanic.

### **Recommendation**

- **Buy it if:** You need a **direct OEM replacement** for a Peterbilt/Kenworth TRW steering system, and you want a **long-lasting, high-performance part** that minimizes steering-related issues.

- **Consider alternatives if:** You are on a tight budget and can find a **high-quality aftermarket equivalent** (e.g., from reputable brands like **Meritor, Bendix, or TRW itself**) that offers similar reliability at a lower cost.

- **Prioritize installation quality:** Even the best part will fail prematurely if not installed correctly **verify alignment and torque specifications** after replacement.

For most commercial truck operators, the **ZF 84447502S is a sound investment** when maintenance is properly managed. If unsure, consult a **trusted truck mechanic** to confirm compatibility and assess whether other steering components need attention.

Details:

You are viewing our listing of a New 844475-02 Pitman Arm Steering Linkage Fits Peterbilt Kenworth TRW OEM. Just contact me.

part #: 84447502s price

  • $284.99

specifications pitmanidlear:

  • for makes: Peterbilt, Kenworth
  • brand: Zf
  • mpn: 84447502s
  • part type: Steering Arm
  • oe/oem part number: 844475-02

seller pitmanidlear:

  • # reviews: 37050
  • city: Grandview, Missouri
  • rating: 100.0%

payments pitmanidlear:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

offer pitmanidlear:

  • best offers: True
  • options: Ship-to-home
  • started: April 25, 2026
  • sold: 0
  • availability: In Stock
  • quantity: 1

general pitmanidlear:

  • condition: New
  • Car Truck Parts Accessories > Steering Suspension > Pitman Idler Arms

shipping pitmanidlear:

  • service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
  • class: Standard, Expedited, One-day
  • carrier: UPS
  • cost: $0.00
  • type: Calculated
  • transit: 3-5 Days

returns pitmanidlear:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted
for makes: peterbilt, kenworth, part type: steering arm, oe/oem part number: 844475-02,
category: auto parts > car truck parts accessories > steering suspension > pitman idler arms, sku: 15534607137255633,
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