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Delphi TA2321 Steering Pitman Arm for 2000-2006 Chevrolet Suburban 1500
Verify fitment before purchase — please check the Fitment section below.
Key Specifications
- Brand: Delphi
- Manufacturer Part Number: TA2321
- Part Type: Steering Pitman Arm
- Condition: New
- Warranty: 1 Year
Vehicle Compatibility
Notes: with 4 Groove Spline
Fits select vehicle applications. Please enter your vehicle or check the Fitment section below to confirm compatibility.
Maintain precise steering control with this Delphi Steering Pitman Arm. Designed to connect and transfer steering input between key system points, it helps support accurate wheel alignment and responsive steering behavior.
Why replace this part? Worn steering linkage components can cause loose steering feel, uneven tire wear, or poor directional stability. Replacing it helps restore precise steering response and proper front-end alignment.
Key Features & Benefits
- Precision-Machined Construction — Supports accurate steering input and consistent alignment.
- Durable Materials — Designed to withstand road stress and daily driving conditions.
- OE-Style Fit and Function — Engineered for proper installation and compatibility.
Product Overview
Build Quality & Materials
- Engineered to meet original equipment standards for reliable steering performance.
- Durable construction ensures consistent operation under typical driving conditions.
- Precision manufacturing supports accurate fit and secure installation.
Installation Notes
- Inspect all steering linkage components for wear or damage before installation.
- Follow manufacturer procedures for torque and alignment during installation.
- Ensure all fasteners and connections are securely tightened and properly seated.
Why Choose Delphi?
Delphi is a global leader in automotive systems, delivering high-quality components engineered to maintain vehicle performance, safety, and reliability. With decades of experience in original equipment manufacturing, Delphi focuses on precision engineering and durable solutions that support proper system operation across multiple vehicle platforms.
- OE expertise applied to aftermarket components for consistent fit and function.
- Precision-engineered parts designed to maintain reliable vehicle operation.
- Durable materials and construction for performance under normal driving conditions.
- Trusted by professional technicians and automotive manufacturers worldwide for quality and reliability.
Delphi Engineering Advantage
Delphi applies original equipment design principles and rigorous engineering standards to produce components that deliver reliable performance, consistent operation, and long-term durability. Each part is designed to meet or exceed OEM specifications, ensuring proper system function and supporting safe, efficient vehicle operation under normal driving conditions.
Shipping & Warranty
- Fast U.S. shipping from our warehouse on business days.
- Free returns if the part does not fit or you are not satisfied (see store policy for details).
- 1-year warranty on this part from date of purchase.
Product Information
Item Specifics (Technical)
- Castle Nut Included: Yes
- Center Link End Attachment Diameter: 15.1 MM / 0.596 IN
- Color: Gray
- Grease Fitting Included: Yes
- Greaseable: Yes
- Length: 135.0 MM / 5.315 IN
- Material: Steel
- Spline Quantity: 28
- Steering Shaft Diameter: 29.4 MM / 1.158 IN
- Vehicle Ride Height: Standard
Interchange Part Numbers
- 12471379
- 19168944
- 620.66516
- GK6536
- JPA161
- K6536
- K6536HD
- MK6536
- PA6536
- PA6536RD
- PA6536XL
Fitment
Vehicle Compatibility
Notes: with 4 Groove Spline
- Cadillac Escalade
- 2002-2006 Cadillac Escalade
- Cadillac Escalade ESV
- 2003-2006 Cadillac Escalade ESV
- Cadillac Escalade EXT
- 2002-2006 Cadillac Escalade EXT
- Chevrolet Avalanche 1500
- 2002-2006 Chevrolet Avalanche 1500
- Chevrolet Express 3500
- 2003-2008 Chevrolet Express 3500
- Chevrolet Silverado 1500
- 2002-2006 Chevrolet Silverado 1500
- Chevrolet Silverado 2500
- 2000-2004 Chevrolet Silverado 2500
- Chevrolet Silverado 3500
- 2001-2006 Chevrolet Silverado 3500
- Chevrolet Suburban 1500
- 2000-2006 Chevrolet Suburban 1500
- Chevrolet Suburban 2500
- 2009-2010 Chevrolet Suburban 2500
- Hummer H2
- 2005-2007 Hummer H2
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2000 | Chevrolet | Silverado 2500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Silverado 2500 | Base (6.0L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Silverado 2500 | LS (5.3L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Silverado 2500 | LS (6.0L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Silverado 2500 | LT (5.3L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Silverado 2500 | LT (6.0L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Suburban 1500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Suburban 1500 | LS (5.3L V8) | with 4 Groove Spline; |
| 2000 | Chevrolet | Suburban 1500 | LT (5.3L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 2500 | Base (6.0L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 2500 | LS (6.0L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 2500 | LT (6.0L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | Base (6.0L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | Base (6.6L V8 DIESEL Turbocharged) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | Base (8.1L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | LS (6.0L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | LS (6.6L V8 DIESEL Turbocharged) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | LS (8.1L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | LT (6.0L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | LT (6.6L V8 DIESEL Turbocharged) | with 4 Groove Spline; |
| 2001 | Chevrolet | Silverado 3500 | LT (8.1L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Suburban 1500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Suburban 1500 | LS (5.3L V8) | with 4 Groove Spline; |
| 2001 | Chevrolet | Suburban 1500 | LT (5.3L V8) | with 4 Groove Spline; |
| 2002 | Cadillac | Escalade | Base (5.3L V8) | with 4 Groove Spline; |
| 2002 | Cadillac | Escalade | Base (6.0L V8) | with 4 Groove Spline; |
| 2002 | Cadillac | Escalade EXT | Base (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Avalanche 1500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Avalanche 1500 | North Face (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Avalanche 1500 | On Road Edition (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Avalanche 1500 | Z71 (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | Base (4.3L 262cid V6) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | Base (4.8L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | Base (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LS (4.3L 262cid V6) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LS (4.8L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LS (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LS (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LT (4.3L 262cid V6) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LT (4.8L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LT (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | LT (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | WT (4.3L 262cid V6) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | WT (4.8L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | WT (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 1500 | WT (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | Base (6.0L V8 BI-FUEL) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | Base (6.0L V8 CNG) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | Base (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | LS (6.0L V8 BI-FUEL) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | LS (6.0L V8 CNG) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | LS (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | LT (6.0L V8 BI-FUEL) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | LT (6.0L V8 CNG) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 2500 | LT (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | Base (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | Base (6.6L V8 DIESEL Turbocharged) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | Base (8.1L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | LS (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | LS (6.6L V8 DIESEL Turbocharged) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | LS (8.1L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | LT (6.0L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | LT (6.6L V8 DIESEL Turbocharged) | with 4 Groove Spline; |
| 2002 | Chevrolet | Silverado 3500 | LT (8.1L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Suburban 1500 | LS (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Suburban 1500 | LS (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Suburban 1500 | LT (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Suburban 1500 | LT (5.3L V8) | with 4 Groove Spline; |
| 2002 | Chevrolet | Suburban 1500 | Z71 (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2002 | Chevrolet | Suburban 1500 | Z71 (5.3L V8) | with 4 Groove Spline; |
| 2003 | Cadillac | Escalade | Base (5.3L V8) | with 4 Groove Spline; |
| 2003 | Cadillac | Escalade | Base (6.0L V8) | with 4 Groove Spline; |
| 2003 | Cadillac | Escalade ESV | Base (6.0L V8) | with 4 Groove Spline; |
| 2003 | Cadillac | Escalade EXT | Base (6.0L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Avalanche 1500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Avalanche 1500 | North Face (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Avalanche 1500 | On Road Edition (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Avalanche 1500 | WBH (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Avalanche 1500 | Z71 (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Express 3500 | Base (4.8L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Express 3500 | Base (6.0L V8 CNG) | with 4 Groove Spline; |
| 2003 | Chevrolet | Express 3500 | Base (6.0L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Express 3500 | LS (4.8L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Express 3500 | LS (6.0L V8 CNG) | with 4 Groove Spline; |
| 2003 | Chevrolet | Express 3500 | LS (6.0L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | Base (4.3L 262cid V6) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | Base (4.8L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | Base (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | Base (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LS (4.3L 262cid V6) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LS (4.8L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LS (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LS (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LT (4.3L 262cid V6) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LT (4.8L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LT (5.3L V8 FLEX) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | LT (5.3L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | SS (6.0L V8) | with 4 Groove Spline; |
| 2003 | Chevrolet | Silverado 1500 | WT (4.3L 262cid V6) | with 4 Groove Spline; |
- BrandDelphi
- ManufacturerDelphi
- MPNTA2321
- EAN00689604247556
- Fitment Typespecific
- Part DescriptionSteering Pitman Arm
- Part TypeSteering Pitman Arm
- Interchange Part Number12471379; 19168944; 620.66516; GK6536; JPA161; K6536; K6536HD; MK6536; PA6536; PA6536RD; PA6536XL
- Short DescriptionPitman Arm
Shipping Policy – DTautoparts
We ship all orders from our U.S. warehouses with USPS, UPS, or FedEx.
Processing Time
Orders placed before 3 PM EST ship the same day
Others ship next business day
Transit Time
Standard shipping: 2–5 business days
Expedited shipping: 1–3 business days (optional at checkout)
Shipping Rates
Free standard shipping on all orders
Expedited options available at checkout
Tracking
All orders include tracking information, emailed automatically once shipped.
Lost Packages
If a package is lost in transit, we will:
Start an investigation with the carrier
Resend the order or issue a full refund if confirmed lost
Incorrect Addresses
If the address is incorrect when the order ships:
Carrier may return the package
We can resend (buyer pays reship fee) or refund the order
Return Policy – DTautoparts
At DTautoparts, we want every customer to be fully satisfied with their purchase.
If an item does not fit your vehicle or you are not fully satisfied, we offer hassle-free returns.
Return Window
Returns accepted within 30 days of delivery.
Items must be returned in their original condition unless the item was defective or damaged on arrival.
Free Returns
If the part doesn’t fit, or arrives damaged, we provide a free return shipping label.
Customer-Responsibility Returns
(used, installed, incorrect item ordered, changed mind)
Buyer pays return shipping.
Item must be unused, uninstalled, and in original packaging.
Incorrect / Defective Parts
If the part is faulty, damaged, or the wrong item was sent:
We will provide a free return label
And issue a full refund OR send a replacement
Refund Time
Refunds are processed within 2–3 business days after the returned item is received and inspected.
Warranty
All parts sold by DTautoparts LLC are backed by a 1-year warranty.
What’s Covered
Manufacturing defects
Premature failure
Broken components not caused by external damage
What’s Not Covered
Normal wear and tear
Improper installation
Damage from accidents or abuse
Modified or altered parts
How to Request a Warranty Claim
Please contact us with:
Order number
Description of the issue
Photos or videos of the problem
We will:
Review the claim in 24–48 hours
Provide a replacement or refund if approved
Frequently Asked Questions
Does this part fit my vehicle?
Use the Year/Make/Model selector at the top of the page.
If unsure, contact us — we respond within minutes.
Is this part new or used?
All parts are brand-new, factory-fresh, and never used.
Does this include hardware?
If included, it will appear in the product images or description.
If not listed, assume hardware is not included.
What if the part doesn’t fit?
No problem — we offer free returns on items that do not fit your vehicle.
What warranty does this part come with?
Every part includes a 1-year warranty.
How fast do you ship?
Orders before 3 PM EST ship the same day.



