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ACDelco PT1235 - Alternator Connector
Product Overview
The ACDelco PT1235 Alternator Connector is designed to ensure a reliable connection between your vehicle's alternator and electrical system. This high-quality connector meets OE specifications, providing exceptional fitment and durability for long-term performance. ACDelco is a trusted name in the automotive industry, known for delivering parts compatible with a wide range of GM vehicles. Choose ACDelco PT1235 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This ACDelco PT1235 is equivalent to or replaces the following part numbers:
Vehicle Compatibility
- Cadillac Escalade (1999-2000) 5.7 V8
- Cadillac Escalade (2002) 5.3 V8
- Cadillac Escalade (2002) 6.0 V8
- Chevrolet C2500 (1998-2000) 5.7 V8
- Chevrolet Express 3500 (1998-2000) 7.4 V8
- Chevrolet Express 1500 (1998-2002) 4.3 V6
- Chevrolet Silverado 1500 (1999-2002) 4.3 V6
- Chevrolet Tahoe (1999-2000) 5.7 V8
- GMC Sierra 1500 (1999-2002) 4.3 V6
- GMC Yukon (2000-2002) 4.8 V8
This also fits other applications. Please use the vehicle selector tool to verify fitment.
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Frequently Asked Questions
What is the purpose of the ACDelco PT1235 Alternator Connector?
The ACDelco PT1235 Alternator Connector is used to connect the alternator to the vehicle's electrical system, ensuring efficient charging and power distribution.
How do I know if the ACDelco PT1235 fits my vehicle?
To verify fitment for the ACDelco PT1235, please use our vehicle selector tool or consult your vehicle's manual for compatibility.
What should I do if I encounter a DTC related to the alternator connector?
If you receive a diagnostic trouble code (DTC) such as P0620 or P0621, it may indicate issues with the alternator connector. Replacing it with an ACDelco PT1235 can help restore proper functionality.
Can I use the ACDelco PT1235 for other GM vehicles?
Yes, the ACDelco PT1235 is designed for a range of GM vehicles. Always verify compatibility with your specific vehicle model.
Where can I purchase the ACDelco PT1235?
You can order the ACDelco PT1235 today for a factory-correct replacement that restores safety and performance.
- BrandACDelco
- ManufacturerACDelco
- MPNPT1235
- FeaturesColor : Natural
Connector Shape : Oval
End 1 Connector Quantity : 1
End 1 Type : Straight
End Quantity : 1
Gender : Male
Insulated Coating : NO
Quantity : 1
Shape : Rectangle
Terminal Gender : Female
Terminal Quantity : 1
Terminal Type : Pressure Contact
Weather Resistant : Yes
Wire Quantity : 1 - Part TypeAlternator Connector
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2001 | Chevrolet | Express 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Express 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Silverado 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Silverado 2500 HD | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Silverado 2500 HD | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Silverado 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Silverado 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Silverado 3500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Suburban 2500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Suburban 2500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | Chevrolet | Suburban 2500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Savana 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Savana 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Sierra 2500 HD | SL (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Sierra 2500 HD | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Sierra 2500 HD | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Sierra 3500 | SL (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Sierra 3500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Sierra 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Yukon XL 2500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2001 | GMC | Yukon XL 2500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Express 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Express 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Silverado 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Silverado 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Silverado 3500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Suburban 2500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | Chevrolet | Suburban 2500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Savana 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Savana 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 2500 HD | SL (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 2500 HD | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 2500 HD | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 3500 | SL (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 3500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Sierra 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Yukon XL 2500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2002 | GMC | Yukon XL 2500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | Chevrolet | Silverado 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | Chevrolet | Silverado 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | Chevrolet | Silverado 3500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | Chevrolet | Suburban 2500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | Chevrolet | Suburban 2500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 2500 HD | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 2500 HD | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 2500 HD | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 3500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Sierra 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Yukon XL 2500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2003 | GMC | Yukon XL 2500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 3500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 3500 | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Suburban 2500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Suburban 2500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 2500 HD | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 2500 HD | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | Chevrolet | Silverado 2500 HD | WT (8.1 V8 GAS) | |
| 2004 | GMC | Sierra 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 2500 HD | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 2500 HD | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 2500 HD | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 3500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Sierra 3500 | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Yukon XL 2500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2004 | GMC | Yukon XL 2500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 3500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 3500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Suburban 2500 | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Suburban 2500 | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 2500 HD | LS (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 2500 HD | LT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | Chevrolet | Silverado 2500 HD | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 2500 HD | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 2500 HD | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 2500 HD | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 2500 HD | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Yukon XL 2500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Yukon XL 2500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 3500 | Base (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 3500 | SLE (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 3500 | SLT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2005 | GMC | Sierra 3500 | WT (8.1 V8 GAS) | Notes: 1-WAY FEMALE |
| 2007 | GMC | Sierra 2500 HD Classic | SL (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
| 2007 | GMC | Sierra 2500 HD Classic | SLE (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
| 2007 | GMC | Sierra 2500 HD Classic | WT (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
| 2007 | GMC | Sierra 3500 Classic | SL (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
| 2007 | GMC | Sierra 3500 Classic | SLE (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
| 2007 | GMC | Sierra 3500 Classic | SLT (8.1 V8 GAS) | Notes: LEFT, 105 AMP DUAL GENERATOR(K65), 105 AMP DUAL GENERATOR(8X5), 1-WAY FEMALE |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.







