---
product_id: 256126647
title: "STP ULTRA 5 IN 1 FUEL SYSTEM CLEANER, Deep Cleans Entire Fuel System, Fights Engine Friction (591 ml), 18315"
brand: "stp"
price: "S$5"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/256126647-stp-ultra-5-in-1-fuel-system-cleaner-deep-cleans
store_origin: SG
region: Singapore
---

# 5-in-1 deep fuel system cleaner Reduces engine friction for smoother rides Corrosion inhibitor for engine longevity STP ULTRA 5 IN 1 FUEL SYSTEM CLEANER, Deep Cleans Entire Fuel System, Fights Engine Friction (591 ml), 18315

**Brand:** stp
**Price:** S$5
**Availability:** ✅ In Stock

## Summary

> ⛽ Drive cleaner, perform stronger — fuel your engine’s future today!

## Quick Answers

- **What is this?** STP ULTRA 5 IN 1 FUEL SYSTEM CLEANER, Deep Cleans Entire Fuel System, Fights Engine Friction (591 ml), 18315 by stp
- **How much does it cost?** S$5 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/256126647-stp-ultra-5-in-1-fuel-system-cleaner-deep-cleans)

## Best For

- stp enthusiasts

## Why This Product

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

## Key Features

- • **Friction Fighter:** Minimizes engine wear with advanced friction reduction
- • **Corrosion Defense:** Protects vital engine parts from damaging rust and corrosion
- • **All-in-One Convenience:** Comprehensive 5-in-1 formula for total fuel system care
- • **Maximize Fuel Efficiency:** Deep cleans fuel intake to save gas and cut costs
- • **Engineered for Peak Performance:** Restores engine power by removing stubborn deposits

## Overview

STP ULTRA 5 IN 1 Fuel System Cleaner is a powerful 591 ml formula designed to deep clean your entire fuel system, reduce engine friction, remove harmful deposits, inhibit corrosion, and restore peak engine performance—helping you save fuel and extend engine life.

## Description

Stp ultra 5 in 1 fuel system cleaner. Our exclusive all-new and improved formula deep cleans the entire fuel system and fights engine friction with 3x the amount of cleaning agents vs the leading premium gasoline. Our advanced synthetic technology has more effective cleaning power: modern engines are susceptible to unique deposit and lubrication issues. Harsh deposits can lead to reduced performance and efficiency while excessive friction can lead to premature engine wear. Use stp ultra 5 in 1 fuel system cleaner with our propriety blend of pea and piba detergents to help remove harmful deposits and fight engine friction. Usage frequency: use every oil change or 4,000 miles. Treat rate: 12 fl. Oz. Bottle treats up to 35 gallons of gasoline. Take note.: for use in any gasoline engine, including turbo, direct inject, and hybrid. will not void. Amount of cleaning agents per bottle measured by weight, compared to 35 gallons of the leading premium gasoline. This product is compatible with cap-less gas systems.

## Features

- Helps save gas by keeping fuel intake system clean
- Reduce friction
- Helps restore peak performance
- Removes deposits
- Inhibits corrosion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | STP |
| Brand | STP |
| Model | 5 in 1 Fule System |
| Package Dimensions | 23.49 x 6.2 x 5.99 cm; 621 g |
| Item model number | 18315 |
| Manufacturer Part Number | 18315 |
| Position | Outside |
| Item Weight | 621 g |

## Product Details

- **Brand:** STP
- **Item form:** Liquid
- **Scent:** Unscented
- **Specific uses for product:** Engine
- **Material features:** Clean

## Images

![STP ULTRA 5 IN 1 FUEL SYSTEM CLEANER, Deep Cleans Entire Fuel System, Fights Engine Friction (591 ml), 18315 - Image 1](https://m.media-amazon.com/images/I/616WW3mVDxL.jpg)
![STP ULTRA 5 IN 1 FUEL SYSTEM CLEANER, Deep Cleans Entire Fuel System, Fights Engine Friction (591 ml), 18315 - Image 2](https://m.media-amazon.com/images/I/711aFzjTr3L.jpg)
![STP ULTRA 5 IN 1 FUEL SYSTEM CLEANER, Deep Cleans Entire Fuel System, Fights Engine Friction (591 ml), 18315 - Image 3](https://m.media-amazon.com/images/I/611I9iQLhZL.jpg)

## Questions & Answers

**Q: How to use it ?**
A: You pour entire bottle into your gas tank, right before you fill up. Then fill up your vehicle with gas afterwards to top it off and give a good mixture. Then drive like normal.

**Q: I have a direct injector system in my Honda ridgeline will it clean it?**
A: Thank you for submitting your question! the product is effective on all gasoline engines including direct injector engines. For any further information please reach out to us on 1-800-383-7323 or email us on customersupport@energizer.com to assist you better. Energizer Consumer Services

**Q: Will it work on a boat?**
A: I don't know what kind of fuel you using on your boat but if is the same as the regular fuel we use in the cars you should be good to go. Something you need to do special mixes for small engines so make sure you double check.

**Q: Does this clean spark plugs?**
A: Thank you for submitting your question! Yes, the product will clean spark plugs. For any further information please reach out to us on 800-776-1530 or autohelpline@energizer.com to assist you better. STP Consumer Services. Thank you!

## Frequently Bought Together

- STP Ultra 5 In 1 Fuel System Cleaner and Stabilizer, System Fuel Cleaner Deep Cleans Fuel System and Fights Engine Friction, 20 Oz
- Lucas Oil 10003 Fuel Treatment - 1 Quart

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-26*