MOOG CHASSIS PRODUCTS SX-5900 Steering Pitman Arm P3500 4.8L 5.7L 6.2L 7.4L V8

( Brand: Moog Chassis Products ), ( Manufacturer Part Number: SX-5900 ), ( Type: Steering Pitman Arm ), ( Manufacturer Warranty: Lifetime ), ( Ipn: C766 64-24 ), ( Placement On Vehicle: Steering Steering Gear ), ( Compatible Model: P3500 ), ( Compatible Year: 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Moog Steering Pitman Arm )

Review MOOG CHASSIS PRODUCTS Steering Pitman Arm Gmc 4.8l 5.7l 6.2l 7.4l L6 V8 Fr fits 1979–1999

The **Moog Chassis SX-5900 Steering Pitman Arm** is a high-performance, precision-engineered replacement part designed to restore optimal handling and steering responsiveness to your **1979 1999 GMC P3500** equipped with a **4.8L, 5.7L, 6.2L, or 7.4L inline-six or V8 engine**. Crafted from **high-strength, heat-treated steel**, this pitman arm is built to withstand the demands of heavy-duty towing, off-road adventures, and daily driving, ensuring durability and reliability under extreme conditions. The **SX-5900 series** is part of Moog s renowned **Chassis Series**, which emphasizes **OEM-level quality** with improved strength and corrosion resistance compared to aftermarket alternatives. This pitman arm features a **smooth, machined surface** and **precision-ground threads**, reducing wear and preventing premature failure critical for maintaining the integrity of your truck s steering linkage system. Whether you re hauling heavy loads, navigating rough terrain, or simply seeking a more confident, responsive drive, this Moog component delivers **superior performance** while maintaining compatibility with your vehicle s original steering geometry. Backed by Moog s **lifetime warranty** on wear parts and **rigorous quality control**, the SX-5900 pitman arm is an ideal upgrade for enthusiasts and professionals alike, ensuring long-lasting performance and peace of mind.

### Pros and Cons of Buying a Moog Chassis SX-5900 Steering Pitman Arm for a 1979 1999 GMC P3500 (4.8L 7.4L V8)

#### **Pros**

1. **Compatibility and Fitment** The Moog SX-5900 is specifically designed for GM full-size trucks, including the P3500 series, covering the 4.8L (V6), 5.7L (V8), 6.2L (V8), and 7.4L (V8) engines. It replaces the stock pitman arm, ensuring proper alignment with the steering gear and tie rods.

2. **Improved Durability** Moog parts are known for their high-quality construction, often featuring hardened steel components and reinforced welds. This reduces the risk of premature failure, which is common with OEM parts due to wear or corrosion.

3. **Better Performance** A new pitman arm eliminates play and binding, leading to smoother steering response. This is particularly beneficial for trucks used in towing, off-roading, or heavy-duty applications where steering precision matters.

4. **Ease of Installation** The SX-5900 is designed for straightforward replacement, requiring minimal tools and time. Most DIY mechanics can install it without professional help, saving labor costs.

5. **Cost-Effective Upgrade** Compared to rebuilding or replacing the entire steering linkage, a pitman arm upgrade is relatively inexpensive. It extends the life of the steering system without requiring major modifications.

6. **Preventative Maintenance** Replacing a worn pitman arm can prevent secondary issues, such as damaged steering gear or tie rod ends, which can be more costly to repair if neglected.

7. **Warranty Coverage** Moog offers warranties on their parts, providing peace of mind against defects or early failure.

---

#### **Cons**

1. **Potential Misalignment Issues** If not installed correctly, a new pitman arm could disrupt the steering geometry, leading to uneven tire wear or a "wandering" steering wheel. Proper alignment after installation is critical.

2. **Compatibility with Modified Steering Systems** If the truck has aftermarket steering components (e.g., heavy-duty steering gear, custom linkages, or lift kits), the SX-5900 may not fit perfectly without adjustments. Always verify fitment with the specific modifications.

3. **Limited Longevity in Extreme Conditions** While Moog parts are durable, extreme off-road use (e.g., rock crawling, heavy-duty towing with constant high loads) may still stress the pitman arm over time. Regular inspections are recommended.

4. **Quality Variability** While Moog is reputable, counterfeit or low-quality aftermarket parts sometimes enter the market. Purchasing from authorized dealers or trusted suppliers reduces this risk.

5. **Additional Wear on Related Components** If other parts of the steering linkage (e.g., idler arm, steering gear) are worn, replacing just the pitman arm may not fully resolve steering issues. A full inspection is advisable.

6. **Installation Challenges on Older Trucks** Some P3500 models, particularly those with rusted or seized components, may require extra effort to remove the old pitman arm. Rust penetrant or heat may be necessary.

---

### **Conclusion**

The Moog SX-5900 steering pitman arm is a **highly recommended upgrade** for the 1979 1999 GMC P3500, regardless of engine size. Its benefits in durability, performance, and cost-effectiveness outweigh the minor drawbacks, provided it is installed correctly and the rest of the steering system is in good condition. The key to success lies in:

- Ensuring proper fitment with the truck s specific configuration.

- Performing a post-installation alignment.

- Inspecting related steering components for wear.

- Purchasing from a trusted source to avoid counterfeit parts.

For most owners, this part represents a **simple, low-risk improvement** that enhances steering reliability and extends the life of the truck s steering system. If the truck is used for heavy-duty tasks, pairing this upgrade with other maintenance (e.g., steering gear fluid flush, tie rod inspections) will further ensure optimal performance.

Details:

MOOG Steering Pitman Arm for 1979 1999 GMC P3500 4.8L 5.7L 6.2L 7.4L L6 V8 fr: Status: In Stock.

part #: sx5900 prices

• $72.25-$95.95

specifications pitmanidlear:

• for makes: Gmc
• for years: 1979-1999
• brand: Moog Chassis Products
• mpn: Sx-5900
• type: Steering Pitman Arm
• manufacturer warranty: Lifetime
• ipn: C766 64-24
• placement on vehicle: Steering Steering Gear
• compatible model: P3500
• compatible year: 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Moog Steering Pitman Arm

returns pitmanidlear:

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

offer pitmanidlear:

• availability: In Stock
• options: Ship-to-home
• started: February 28, 2026
• quantity: 4
• sold: 0

seller pitmanidlear:

• city: Indianapolis, Indiana
• rating: 99.5%
• # reviews: 627183

payments pitmanidlear:

• credit card: Visa
• other
• wallet: Paypal

general pitmanidlear:

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

shipping pitmanidlear:

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

Moog Chassis Products SX-5900 Is Similar To:

• 080066115771 Moog Idler Arm Bushing (19% similar) Your 30-DAY guarantee period begins at the date package shows delivery by shipping carrier. Shipping ballpark ships items to the 50 USA states via ups and USPS. Get-warranty and enter the item number in box on right side of screen. Cosmetic condition retail box may show signs of wear and be removed ...(August 9th, 2018)
• 080066119090 Moog New Steering Idler (24.6% similar) Brand new unused unopened...(November 16th, 2017)
• 080066124636 Moog Steering Idler Arm (26.1% similar) Brand new unused unopened...(November 16th, 2017)
• 080066271781 Moog Steering Idler Arm Ean (26.8% similar) This is sold as. Look at all pictures. We combine shipping. Sold as is pictured. Item may have a scratch, rust or etc. Shipping cost is accurate on most items. This item is new with open box. This is a K6392T Moog steering idler arm ean: 781 picture actual items included. Opened for pictures and ...(July 8th, 2018)
• 080066351735 Moog Pitman Arm (23.1% similar) To get a quote, visit. Features Moog problem solver Products incorporate proven design and engineering for like new steering, ease of installation longer life. Get-warranty and enter the item number in box on right side of screen. Shipping ballpark ships items to the 50 USA states via ups and USPS. ...(August 9th, 2018)
• Dodge 1013851 Plymouth Moog K9100 Bushing Fits Arm 77-96 Mitsubishi Idler (29.7% similar) Please verify the application with the part number provided...(May 22nd, 2015)
• 18665 Moog Front Pitman Arm (29.5% similar) none of which makes the part defective. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. No matter what says. Once purchased you own it. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. They may have been ...(February 23rd, 2018)
• 216131 Moog Steering Pitman Arm (36.1% similar) Bought for thanks looking, god bless. Brand new, in box, never used, selling for 20...(July 9th, 2018)
• 268-3544 Amgauge Idler Arm Fordelite And Gran Torino Moog (22.6% similar) The box shows age and wear but part has never been installed. This is a new old stock idler arm for ford elite and gran tiring, 77-79 ltd ii, or pinto after 1976...(May 17th, 2018)
• 268-3589 Amgauge Idler Arm Cordoba New Yorker Newport Moog (21.3% similar) Pleas for view all images carefully as sales are is thanks the business. This is a new old stock idler arm am gauge number crosses to Moog K7066. It should fit Chrysler Cordoba, 79-81 Newark and Newport, maybe also some Plymouth's kn that same year...(May 17th, 2018)
• 3034 Moog Idler Arm (19.8% similar) People ship us stuff all the time so expect some turnaround. New internal, ethanol gas compliant unit. So if ya can't find it. Bench tested and ready for install. We did not make these items rebuilt them back to better than new. That's 5 buildings each ,000 square feet. Louis say if crown doesn have...(July 20th, 2018)