--- product_id: 268564493 title: "ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap" brand: "acdelco" price: "€ 15.88" currency: EUR in_stock: true reviews_count: 5 category: "Ac Delco" url: https://www.desertcart.fr/products/268564493-acdelco-gm-original-equipment-rc111-18-p-s-i-radiator store_origin: FR region: France --- # 18 P.S.I. pressure rating Fits most GM vehicle models Durable stainless steel build ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap **Brand:** acdelco **Price:** € 15.88 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your engine cool and your ride unstoppable with OEM precision! ## Quick Answers - **What is this?** ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap by acdelco - **How much does it cost?** € 15.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/268564493-acdelco-gm-original-equipment-rc111-18-p-s-i-radiator) ## Best For - acdelco enthusiasts ## Why This Product - Trusted acdelco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **OEM-Grade Reliability:** 100% original GM equipment ensures perfect fit and trusted performance for your vehicle. - • **Easy Twist-On Installation:** Quick, secure fitment means less downtime and more road time—no mechanic needed. - • **Precision Pressure Control:** Maintains optimal 18 P.S.I. to boost engine cooling efficiency and prevent overheating. - • **Universal GM Compatibility:** Designed to fit a wide range of GM cars, trucks, and vans—one cap to rule them all. - • **Robust Stainless Steel Construction:** Engineered for durability and corrosion resistance, keeping your cooling system sealed tight. ## Overview The ACDelco GM Original Equipment RC111 Radiator Cap is a high-quality, stainless steel component designed to maintain 18 P.S.I. pressure in your vehicle's cooling system. Compatible with most GM models, it raises the boiling point of engine coolant to enhance performance and prevent overheating. Trusted by professionals and backed by OEM standards, this radiator cap ensures a secure, leak-free seal for reliable, long-lasting engine protection. ## Description ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap Review: Not much to say, it just works - It’s an OEM part for my Chevy Impala 2006 3.5L by GM. It works just fine, it keeps my cooling system pressurized properly, I can feel the hoses get tight. No leaks. Ops check good at this time. Review: FUNCIONAL PONTIAC MONTANA 2008 - Parte 100% original se cambió en Pontiac Montana 2008 funciona de manera correcta ## Features - Seal and maintain pressure on the cooling system for vehicle safety - Raise the boiling point of the engine coolant to maintain efficiency - Fit most models of GM vehicles for expanded coverage ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000IZ5E1M | | Automotive Fit Type | Vehicle Specific Fit | | Brand | ACDelco | | Brand Name | ACDelco | | Closure Type | Twist-On | | Color | Black | | Colour | Black | | Compatible with Vehicle Type | Car, Truck, Van | | Customer Reviews | 4.7 out of 5 stars 485 Reviews | | Exterior Finish | Stainless Steel | | Exterior finish | Stainless Steel | | Global Trade Identification Number | 00707773127018 | | Included Components | Radiator Cap | | Item Dimensions | 6.4 x 6.1 x 3.8 centimeters | | Item Type Name | Radiator Cap | | Item Weight | 0.14 Pounds | | Item dimensions L x W x H | 6.4 x 6.1 x 3.8 centimeters | | Manufacturer | ACDELCO | | Manufacturer Part Number | 15293434 | | Material | Stainless Steel | | Material Type | Stainless Steel | | Model Number | RC111 | | Number of Items | 1 | | OEM Equivalent Part Number | 15293434 | | Part Interchange Info | RC111 | | Style Name | Safety | | UPC | 707773127018 | | Unit Count | 1 Count | | Vehicle service type | Car, Truck, Van | ## Product Details - **Brand:** ACDelco - **Colour:** Black - **Exterior finish:** Stainless Steel - **Item dimensions L x W x H:** 6.4 x 6.1 x 3.8 centimeters - **Material:** Stainless Steel ## Images ![ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap - Image 1](https://m.media-amazon.com/images/I/716nn6T0loL.jpg) ![ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap - Image 2](https://m.media-amazon.com/images/I/61oNIAXZSPL.jpg) ## Questions & Answers **Q: Does this fit on a 2009 chevrolet impala ss v8 5.3 liter ?** A: I would go to Advance auto website and look up this item and compare the part number to see if it will. It did fit my v8 2006 impala **Q: Is this item actually a 18 psi radiator cap?** A: Yes. This item is a psi radiator cap. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Not much to say, it just works *by J***T on 12 November 2025* It’s an OEM part for my Chevy Impala 2006 3.5L by GM. It works just fine, it keeps my cooling system pressurized properly, I can feel the hoses get tight. No leaks. Ops check good at this time. ### ⭐⭐⭐⭐⭐ FUNCIONAL PONTIAC MONTANA 2008 *by A***R on 14 April 2026* Parte 100% original se cambió en Pontiac Montana 2008 funciona de manera correcta ### ⭐⭐⭐⭐⭐ Fits like a cap. *by P***N on 6 October 2025* Worked. Cooling system holds pressure. Have be able to ignore this issue ever since. ## Frequently Bought Together - ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap - Dorman 902-696 Engine Coolant Filler Neck Compatible with Select Models - MotoRad 511-185 Engine Coolant Thermostat --- ## 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.fr/products/268564493-acdelco-gm-original-equipment-rc111-18-p-s-i-radiator](https://www.desertcart.fr/products/268564493-acdelco-gm-original-equipment-rc111-18-p-s-i-radiator) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-09-03*