---
product_id: 612689511
title: "15075118 Radiator Surge Tank Cap, Coolant Reservoir Cap for Cadillac for Buick for Chevy GMC for Hummer for Oldsmobile for Pontiac for Saturn for Suzuki OEM 5066786 15042975"
brand: "ynovvo"
price: "$27.10"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/612689511-15075118-radiator-surge-tank-cap-coolant-reservoir-cap-for-cadillac
store_origin: US
region: United States of America
---

# 3-year warranty OEM precision fit Durable rubber seal 15075118 Radiator Surge Tank Cap, Coolant Reservoir Cap for Cadillac for Buick for Chevy GMC for Hummer for Oldsmobile for Pontiac for Saturn for Suzuki OEM 5066786 15042975

**Brand:** ynovvo
**Price:** $27.10
**Availability:** ✅ In Stock

## Summary

> 🛡️ Lock in your engine’s cool factor with OEM-grade precision!

## Quick Answers

- **What is this?** 15075118 Radiator Surge Tank Cap, Coolant Reservoir Cap for Cadillac for Buick for Chevy GMC for Hummer for Oldsmobile for Pontiac for Saturn for Suzuki OEM 5066786 15042975 by ynovvo
- **How much does it cost?** $27.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/612689511-15075118-radiator-surge-tank-cap-coolant-reservoir-cap-for-cadillac)

## Best For

- ynovvo enthusiasts

## Why This Product

- Trusted ynovvo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Installation:** Lightweight and exact fit means quick swap without mechanic visits — save time, avoid hassle.
- • **Unmatched Durability:** Premium rubber seal ensures leak-proof, long-lasting coolant protection under pressure.
- • **Wide Vehicle Coverage:** Fits 20+ models from 1999 to 2017 — your one-stop cap for multiple rides.
- • **Peace of Mind Warranty:** Backed by a 3-year warranty, because your engine deserves reliable cooling.
- • **Perfect OEM Compatibility:** Seamlessly replaces original caps for Cadillac, Buick, Chevy, GMC & more — no guesswork needed.

## Overview

This Ynovvo radiator surge tank cap is an OEM replacement compatible with over 20 Cadillac, Buick, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saturn, and Suzuki models from 1999-2017. Featuring a durable rubber seal and backed by a 3-year warranty, it ensures a perfect, leak-proof fit to maintain optimal coolant pressure and engine performance.

## Description

Ynovvo 15075118 Radiator Surge Tank Cap, Coolant Reservoir Cap for Cadillac for Buick for Chevy GMC for Hummer for Oldsmobile for Pontiac for Saturn for Suzuki OEM 5066786 15042975

## Features

- Radiator Cap Replacement OEM: Coolant cap replacement for OEM 15075118, 5066786, 15042975.
- Compatible Models : Coolant cap compatible with 2013-2017 Enclave, 2002-2006 Escalade, 2004-2009 SRX, 2002-2006 Avalanche 1500/2500, 1999-2005 Cavalier, 2004-2005 Classic, 2005-2010 Cobalt, 2005-2017 Equinox, 1999-2012 Malibu, 2003-2006 SSR, 1999-2006 Silverado 1500, 2000-2006 Suburban 1500/2500, 2000-2006 Tahoe, 2013-2017 Traverse, 2013-2016 Acadia, 1999-2006 Sierra 1500, 2010-2017 Terrain, 2000-2006 Yukon radiator cap and so on.
- What You Get: 1 Pcs coolant reservoir cap replacement, and we offer a three-year warranty on all our products.
- High Quality: High quality radiator reservoir cap, good sealing, rubber seal, perfectly matches your original coolant reservoir tank cap. Our coolant overflow tank can provide you long-term use.
- Warm Recommend: Please check the fitment before purching. If you have any questions with our reservoir cap, please contact us. We will get back to you within 24 horus and we will do our best to resolve it to your satisfaction.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Ynovvo |
| Brand | Ynovvo |
| Package Dimensions | 7.49 x 7.29 x 7.19 cm; 82 g |
| Item model number | 15075118 |
| Exterior | Rubber |
| Manufacturer Part Number | 15075118 |
| OEM Part Number | 15042975, 15075118, 5066786 |
| Item Weight | 82 g |

## Product Details

- **Brand:** Ynovvo
- **Colour:** Black
- **Material:** Rubber
- **Exterior finish:** Rubber
- **Vehicle service type:** Car

## Images

![15075118 Radiator Surge Tank Cap, Coolant Reservoir Cap for Cadillac for Buick for Chevy GMC for Hummer for Oldsmobile for Pontiac for Saturn for Suzuki OEM 5066786 15042975 - Image 1](https://m.media-amazon.com/images/I/612pc+i3uqL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-23*