--- product_id: 421393772 title: "ACDelco D303A GM Original Equipment Ignition Distributor Cap" brand: "gm genuine parts" price: "NT$3865" currency: TWD in_stock: true category: "Gm Genuine Parts" url: https://www.desertcart.tw/products/421393772-acdelco-d303a-gm-original-equipment-ignition-distributor-cap store_origin: TW region: Taiwan --- # Max conductivity metal inserts Easy-install locator keys Anti-arc barrier for misfire protection ACDelco D303A GM Original Equipment Ignition Distributor Cap **Brand:** gm genuine parts **Price:** NT$3865 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your GM’s power with precision and reliability! ## Quick Answers - **What is this?** ACDelco D303A GM Original Equipment Ignition Distributor Cap by gm genuine parts - **How much does it cost?** NT$3865 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/421393772-acdelco-d303a-gm-original-equipment-ignition-distributor-cap) ## Best For - gm genuine parts enthusiasts ## Why This Product - Trusted gm genuine parts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Metal Inserts:** Ensures peak electrical conductivity for flawless ignition performance. - • **Advanced Anti-Arc Barrier:** Minimizes secondary voltage arcs to prevent engine misfires and boost reliability. - • **GM-Recommended OEM Quality:** Factory-grade replacement part engineered for your GM vehicle’s exact specs. - • **User-Friendly Locator Keys:** Simplifies installation with clear, easy-to-read alignment guides. - • **Durability Meets Performance:** Built to last with premium materials, backed by a 12-month/12,000-mile warranty. ## Overview The ACDelco D303A GM Original Equipment Ignition Distributor Cap is a vehicle-specific, factory-recommended replacement part designed to deliver optimal ignition performance. Featuring metal inserts for maximum conductivity, easy-install locator keys, and a full anti-arc barrier, it ensures reliable engine operation and longevity. Manufactured by GM Genuine Parts, it offers durability and a 12-month/12,000-mile warranty, making it the trusted choice for maintaining your GM vehicle’s original performance. ## Description An ACDelco GM Original Equipment Distributor Cap is a GM-recommended replacement for your vehicle’s original component. It covers the top of the distributor and provides half of the rotary switch (distributor rotor). This original equipment distributor cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ## Features - Have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires - Easy-to-read locator keys on caps make proper installation simple - Equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire - GM-recommended replacement part for your GM vehicle's original factory component - Offering the quality, reliability, and durability of GM OE ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000BYB1Y4 | | Automotive Fit Type | Vehicle Specific Fit | | Brand Name | GM GENUINE PARTS | | Closure Type | Twist-On | | Colour | Black | | Compatible with Vehicle Type | Vehicle | | Customer Reviews | 4.8 4.8 out of 5 stars (1,012) | | Exterior Finish | Metal | | Global Trade Identification Number | 40707773268450 | | Item Dimensions | 17 x 14.5 x 10.7 Centimeters | | Manufacturer | GM GENUINE PARTS | | Manufacturer Part Number | 19166099 | | Manufacturer Warranty Description | 12 Months / 12,000 Miles (Parts Only) | | Material Type | Metal | | Model | D303A | | Number of Items | 1 | | OEM Equivalent Part Number | 19166099 | | Style Name | Modern | | UPC | 707773268452 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** GM GENUINE PARTS - **Colour:** Black - **Exterior Finish:** Metal - **Item dimensions L x W x H:** 17 x 14.5 x 10.7 Centimeters - **Material:** Metal ## Images ![ACDelco D303A GM Original Equipment Ignition Distributor Cap - Image 1](https://m.media-amazon.com/images/I/31VuvfGB8IL.jpg) ![ACDelco D303A GM Original Equipment Ignition Distributor Cap - Image 2](https://m.media-amazon.com/images/I/21BJN-MFA6L.jpg) ![ACDelco D303A GM Original Equipment Ignition Distributor Cap - Image 3](https://m.media-amazon.com/images/I/61Pv37F+vRL.jpg) ## Questions & Answers **Q: What are the symptoms of a bad ignition coil?** A: A failing ignition coil can cause several symptoms, including the “Check Engine Light” appears, engine misfires, difficulty starting the vehicle, reduced fuel economy and loss of power during acceleration. **Q: How often should spark plugs be replaced?** A: Spark plug replacement intervals depend on the type of spark plug and the vehicle’s engine. Refer to your vehicle’s Owner’s Manual for more information. **Q: How can I tell if my distributor cap and rotor need replacing?** A: Distributor caps and rotors typically need replacement when you notice engine misfires, difficult vehicle startup, reduced engine performance, corrosion or carbon tracking on the cap, or cracks or wear on the rotor. **Q: What is the difference between glow plugs and spark plugs?** A: Glow plugs are used in diesel engines to preheat the combustion chamber for a cold start. Spark plugs are used in gasoline engines to ignite the air and fuel mixture. **Q: Does the "Service Engine Soon" light tell me when my vehicle needs a tune-up?** A: No. The "Service Engine Soon" light comes on when the vehicle’s computer detects a minor malfunction, an engine emissions issue or that routine maintenance is needed. For more information, refer to your vehicle owner's manual. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/421393772-acdelco-d303a-gm-original-equipment-ignition-distributor-cap](https://www.desertcart.tw/products/421393772-acdelco-d303a-gm-original-equipment-ignition-distributor-cap) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-13*