{"product_id":"gm-genuine-parts-d303a-19166099-ignition-distributor-cap-oem-replacement","title":"GM Genuine Parts D303A (19166099) Ignition Distributor Cap — OEM Replacement","description":"\u003ch2\u003eGM Genuine Parts D303A Ignition Distributor Cap — OEM Replacement\u003c\/h2\u003e\u003cp\u003eThe GM Genuine Parts D303A distributor cap (19166099) is an original equipment replacement designed to mirror the performance and durability of the factory part. It sits atop the distributor, framing the top with robust insulation and clean electrical paths, and it works in concert with the rotor to help channel spark energy where it's needed.\u003c\/p\u003e\u003cp\u003eKey design details help you keep ignition components aligned with factory standards and maintain proper electrical conduction. This cap features metal inserts that provide a secure, conductive bridge between the distributor towers and spark plug wires, while locator keys help ensure correct orientation during installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMetal inserts designed to maximize conductivity between distributor towers and spark plug wires\u003c\/li\u003e\n\u003cli\u003eEasy-to-read locator keys to simplify proper installation\u003c\/li\u003e\n\u003cli\u003eFull anti-arc barrier to reduce the chance of secondary voltage arcs and engine misfires\u003c\/li\u003e\n\u003cli\u003eGM-recommended replacement part for your GM vehicle’s original factory component\u003c\/li\u003e\n\u003cli\u003eQuality, reliability, and durability consistent with GM OE specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn daily driving, these design choices translate to a more dependable ignition path, especially as components age or under varying climate conditions. With an OEM-grade cap, you may experience smoother starts, consistent idle, and steady acceleration feel when the system is performing as designed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePotential for more consistent spark delivery across temperature and load changes\u003c\/li\u003e\n\u003cli\u003eFitting your GM vehicle with an OEM replacement part supports long-term durability\u003c\/li\u003e\n\u003cli\u003eInstallation is aided by clear locator keys, reducing the chance of misalignment\u003c\/li\u003e\n\u003cli\u003eDesigned to integrate with GM engine sensors and the distributor rotor system\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatibility and installation tips: This distributor cap is a GM-recommended replacement, designed to fit GM vehicles that use this part number. When replacing, inspect nearby components for wear and ensure you replace the cap with the corresponding rotor and seal kit as part of routine maintenance. The result is a maintenance-friendly upgrade that preserves the original engine feel and performance you expect from GM OE parts.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the D303A cap compatible with my GM vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—it's designed as a GM OE replacement that fits GM vehicles using this distributor cap model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits does the D303A offer for ignition reliability?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Metal inserts and an anti-arc barrier support reliable spark delivery and help reduce misfire risk.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":42470108758101,"sku":"B000BYB1Y4","price":43.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/gm-genuine-parts-d303a-ignition-distributor-cap-close-up.jpg?v=1778118843","url":"https:\/\/plentytorque.co.uk\/products\/gm-genuine-parts-d303a-19166099-ignition-distributor-cap-oem-replacement","provider":"PlentyTorque","version":"1.0","type":"link"}