1. Steering Racks & Gear Boxes For Sale
  2. sku: 18302863351137721
  3. CHEVROLET GMC AC DELCO 3901010

CHEVROLET GMC AC DELCO GENUINE 3901010 Gm Saginaw Nos Power 1-1-9-5 1-3/8 Steering Pitman Sector Shaft Gear

fits make: Chevy, Chevrolet.

3901010 Chevrolet Gmc Ac Delco Genuine Gm Chevy Saginaw Nos 1-3/8 Inch Power Steering Pitman Sector Shaft Gear

( Brand: Chevrolet Gmc Ac Delco Genuine ), ( Manufacturer Part Number: 3901010 ), ( Part Type: Steering Shaft Gear ), ( Ipn: 1 1 9 5 ), ( Country Of Origin: United States )

Review CHEVROLET GMC AC DELCO GENUINE Gm Chevy Saginaw Nos 1-3/8 Inch Power Steering Pitman Sector Shaft Gear

The **Chevrolet GMC AC Delco GM 3901010 (Chevy Saginaw NOS 1-3/8" Power Steering Pitman Sector Shaft Gear)** is a high-performance, direct-fit replacement component designed to restore optimal steering precision and reliability to classic Chevrolet and GMC vehicles equipped with the iconic Saginaw power steering system. This meticulously engineered part serves as the critical interface between the steering column and the power steering mechanism, ensuring smooth, responsive, and accurate directional control. Crafted from durable, heat-treated steel, the **1-3/8-inch Pitman Sector Shaft Gear** is precision-machined to exact specifications, guaranteeing a seamless fit with the steering linkage, idler arm, and steering box. Whether installed on a vintage muscle car, a rugged GMC pickup, or a restored classic truck, this gear is engineered to handle the demands of heavy-duty driving while maintaining the original vehicle s handling characteristics. The **Delco GM 3901010** is a direct replacement for the original equipment manufacturer (OEM) part, eliminating the need for modifications or additional adapters, making it an ideal choice for restorers, mechanics, and enthusiasts seeking authenticity and performance. Built to withstand the rigors of daily use, this component is essential for maintaining proper steering geometry, reducing play in the linkage, and preventing premature wear on related steering components. With its robust construction and compatibility with a wide range of Saginaw power steering systems, this Pitman Sector Shaft Gear is a must-have upgrade for anyone looking to enhance the drivability and longevity of their classic Chevrolet or GMC vehicle.

### **Pros and Cons of buying a Chevrolet/GMC AC Delco GM 3901010 Chevy Saginaw NOS 1-3/8" Power Steering Pitman Sector Shaft Gear**

#### **Pros:**

1. **OEM Quality and Compatibility** This part is an original equipment manufacturer (OEM) component designed specifically for Chevrolet and GMC vehicles, ensuring a perfect fit without modifications. It is manufactured by AC Delco, a trusted brand under General Motors, known for reliability and durability.

2. **Direct Replacement** The part is a **No-Order-Special (NOS)**, meaning it is a genuine, unused replacement part pulled from inventory rather than a rebuilt or remanufactured unit. This reduces the risk of premature failure compared to aftermarket or refurbished alternatives.

3. **Reliability and Longevity** Saginaw brand power steering components are engineered for heavy-duty use, making this part suitable for daily drivers, trucks, and SUVs that require smooth, responsive steering. The 1-3/8" size is a common fit for many GM vehicles, including older models like the Silverado, Sierra, and Suburban.

4. **Ease of Installation** Since it is an OEM part, it should align perfectly with the vehicle s existing steering linkage, reducing the need for custom adjustments. However, installation may still require basic mechanical skills or professional assistance, depending on the vehicle s condition.

5. **Warranty Coverage** Purchasing from a reputable dealer or authorized distributor often includes a warranty (typically 12 24 months), providing peace of mind against defects in materials or workmanship.

6. **Performance Consistency** Unlike aftermarket parts that may vary in quality, this OEM component will perform consistently with the vehicle s original steering system, avoiding issues like excessive play or stiffness.

7. **Resale Value** Using OEM parts can help maintain the vehicle s value, especially if it is being prepared for resale or kept in original condition.

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#### **Cons:**

1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. The price of this Saginaw pitman sector gear may be significantly higher than a comparable aftermarket or remanufactured part, which could be a deterrent for budget-conscious buyers.

2. **Limited Availability** NOS OEM parts may not be as widely stocked as aftermarket options, especially for older or less common vehicle models. This could require ordering from a specialized distributor, potentially increasing lead time.

3. **Potential for Overkill** If the vehicle s steering system is already worn or damaged beyond the pitman sector gear (e.g., worn tie rods, rack issues, or fluid leaks), replacing just this part may not fully resolve steering problems. A comprehensive inspection is advisable before purchase.

4. **Installation Complexity** While the part itself is straightforward, removing the old component (especially in older vehicles with rusted or seized bolts) can be labor-intensive. Some vehicles may require additional tools or disassembly to access the steering linkage.

5. **No Cost Savings on Labor** Since this is an OEM part, mechanics may not offer discounts for using it, unlike aftermarket parts that some shops bundle with labor savings.

6. **Environmental and Ethical Considerations** NOS parts are pulled from inventory, which may contribute to waste if the part is not used. Some buyers prefer remanufactured or recycled parts to reduce environmental impact.

7. **Potential for Counterfeit Parts** When purchasing online, there is a risk of receiving a counterfeit or refurbished part labeled as NOS. Buying from a trusted dealer or directly from GM/AC Delco reduces this risk but adds to the cost.

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### **Conclusion:**

The **AC Delco GM 3901010 Chevy Saginaw NOS 1-3/8" Power Steering Pitman Sector Shaft Gear** is a high-quality, reliable OEM replacement that offers superior fit, performance, and longevity compared to aftermarket or remanufactured alternatives. It is ideal for vehicle owners who prioritize authenticity, durability, and long-term reliability, especially in heavy-duty applications. However, the higher cost and potential installation challenges may make it less appealing to budget-conscious buyers or those seeking simpler, more affordable solutions.

For most GM vehicle owners experiencing steering issues particularly those with original or well-maintained systems this part is a **strong recommendation** if budget allows. If cost is a concern, a thorough inspection of the steering system should be performed first to determine whether this specific part is the root cause of the problem. If other components (e.g., tie rods, rack) are also failing, a more comprehensive repair may be warranted.

### **Final Recommendation:** - **Buy this part if:**

- You need an OEM-quality replacement for a GM vehicle s steering system.

- You are willing to pay a premium for reliability and longevity.

- The steering issue is isolated to the pitman sector gear (verify with a mechanic first).

- You have access to proper tools or a trusted mechanic for installation.

- **Consider alternatives if:**

- Budget is a major constraint (aftermarket or remanufactured parts may suffice).

- The steering problem is part of a larger system failure (e.g., worn rack, fluid leaks).

- You prefer environmentally friendly options (remanufactured parts are a good compromise).

For most cases where an OEM solution is desired, this Saginaw part is the **best choice** for ensuring smooth, trouble-free steering performance.

Details:

Formerly new with the OEM packaging - NOS GM correct fitting power steering pitman sector shaft gear P/N 3901010 group number GR.6.850 factory for unknown 1960s 1970s truck.

part #: 3901010 price

  • $15.00

specifications steragebo:

  • for makes: Chevy, Chevrolet
  • brand: Chevrolet Gmc Ac Delco Genuine
  • mpn: 3901010
  • part type: Steering Shaft Gear
  • ipn: 1 1 9 5
  • country of origin: United States

general steragebo:

  • Car Truck Parts Accessories > Steering Suspension > Gearboxes, RAck Pinions
  • condition: Used

offer steragebo:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: March 10, 2026
  • sold: 0
  • best offers: True

returns steragebo:

  • policy: No Returns

seller steragebo:

  • # reviews: 17846
  • rating: 100.0%
  • city: Waldo, Wisconsin

shipping steragebo:

  • type: Calculated
  • cost: $19.02
  • carrier: UPS, USPS
  • class: Standard, Expedited
  • service: UPS Ground, USPS Priority Mail
  • transit: 3-8 Days

payments steragebo:

  • credit card: Mastercard
  • wallet: Apple-pay
  • other
for makes: chevy, chevrolet, part type: steering shaft gear, country of origin: united states,
category: auto parts > car truck parts accessories > steering suspension > gearboxes, rack pinions, sku: 18302863351137721,
Chevrolet Gmc Ac Delco Genuine 3901010 Is Similar To:
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1 offer $15.00 USD
  • Used. Offer #1 priced at $15.00 + $19.02 shipping estimate = $34.02* total. +$19.02 shipping

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