# Fuel System Additive STP Injector Cleaner for Diesel 510, injector cleaner for diesel engines

**URL:** https://aio.lv/en/product--stp-510--11393346
**Data updated:** 2026-03-07 20:03 (EET)
**Category:** Other goods
**Manufacturer:** STP
**Manufacturer code:** 510
**EAN:** 5020144808596
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--stp-510--11393346

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

STP Injector Cleaner for Diesel 510 is a fuel additive formulated to clean diesel fuel injectors and support fuel system maintenance. Supplied by STP under MPN 510 (EAN 5020144808596), it targets deposits in injectors to help restore spray pattern and combustion efficiency. Use periodically during service to support engine performance and reduce rough idling and emissions.

## Long description

STP Injector Cleaner for Diesel 510 is a diesel fuel system additive designed to remove deposits from fuel injectors and combustion chambers. The formula targets carbon and varnish build-up that can affect spray pattern and fuel atomization, helping to restore more consistent combustion and support smoother engine operation. The product is intended for periodic use during maintenance intervals and is compatible with typical diesel fuels and common engine types where diesel injector cleaning is required.
Advantages
The formulation reduces injector deposits and helps improve spray pattern uniformity, which can lead to more efficient fuel combustion and steadier idling. Regular use can contribute to lower emissions from incomplete combustion and support fuel economy by optimizing fuel delivery. The additive is supplied in a ready-to-use concentration suitable for dosing according to service intervals and manufacturer guidance.
Suitable for
 Diesel passenger cars and light commercial vehicles
 Engines showing rough idling or reduced responsiveness
 Periodic fuel system maintenance and preventive care
Key specifications
 Application type: diesel fuel injector cleaner
 Form: liquid additive compatible with diesel fuel
 Main function: removes carbon and varnish deposits from injectors and combustion chambers
 Effect: helps restore spray pattern and improve fuel atomization
 Intended use interval: periodic/service use as part of maintenance
How to use
Add the recommended dose of the injector cleaner to the vehicle fuel tank before filling with diesel fuel or as directed by the product dosing instructions. Use the quantity specified for the fuel volume of the vehicle to ensure proper concentration. After adding the additive, drive the vehicle under normal operating conditions to allow the cleaner to circulate through the fuel system and treat injectors and combustion chambers.
Usage recommendations
Follow engine manufacturer guidelines for additive use and dosing. Use periodically during routine servicing or when symptoms such as rough idle, sluggish acceleration, or increased smoke/emissions are observed. Store the product in a cool, dry place away from direct sunlight and keep out of reach of children and pets.

## FAQ

### How much does the STP Injector Cleaner for Diesel 510 cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 20.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All STP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized STP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11393346/66042798_large.webp