Driver Line Limited

15/02/2026

Upcoming discount code to maintain the cool through the Summer months is again on the R134a options of service gas and fill hose.

COOL10% - 10% discount off all air conditioning products, valid from 28th March to 30th September 2026.

https://dlretail.square.site/s/order

11/11/2025

Christmas Discount - Site wide 5% from 1st December to 17th December (last order day available). Use discount code FIVE2025 at checkout.

22/05/2025

Our season promotion for a cool Summer is live and will run until 30th September 2025. R134a gas and charging kits 15% off using code COOL15OFF.

https://dlretail.square.site/s/order?shipping=true #14

18/02/2025

Our early 2025 promotion runs site wide, 5% off all products. Used discount code FIVE2025 at checkout. Valid until 30th April 2025.

16/09/2024

Our Autumn promo is going live October 1st and running through to December 31st 2024. Fuel and oil additive purchases can claim a 10% discount at checkout using the code FUELADDITIVES.
This includes our SeaFoam, MMO and Berryman's products subject to availability. All published prices include free UK shipping (except NI as that is no longer within the UK customs area).

Car maintenance products, US imported sealants, additives and gaskets, UK stock.

02/06/2024

Car A/C R134a service gas recharge and top off self seal cans and kits have been discounted for the season. To celebrate Summer we have discounted all our air conditioning products by 20% for the entire Season (no code required).

Prices from £29.95 (delivered) for 12oz (340g) R134a.

https://dlretail.square.site/s/order?shipping=true #14

02/03/2024

Our Spring into early Summer offer for 2024 is for Marvel Mystery Oil. MMO can be added to fuel as a pump lubricant and stabiliser or to the engine oil as a lubricant aid. Especially good at dissolving deposits and lubricated it can free sticking hydraulic lifters.

MMO has also been used to free seized piston rings in engines that have sat for a long time with a few ml added to the cylinder bore.

It is not recommended for later DPF vehicles as the oil contains sulphur anti-wear additives.

There is a 5% discount available through to June 30th 2024 using MMO5 discount code at checkout. All prices include VAT and postage; trackable 48hr UK delivery.

https://dlretail.square.site/s/order?shipping=true #2

17/01/2024

Returning for the coming season is a discount on our R134a service cans for service top off for car air conditioning AC (1992 - 2016) and some marine refrigeration units.

The discount code is COOL15 for a massive 15% discount available up to the end of March 2024. https://dlretail.square.site/s/order?shipping=true #14

USA Premium Car Products in the UK

22/08/2023

Our feature product for this 2023 Autumn into Winter season is SeaFoam SF16, a fuel and oil treatment from the USA. The product can be added to fuel as a ethanol fuel stabiliser and as a cleaner for the fuel system, injectors and top engine decoke. Or it can be added to the engine oil to dissolve potentially harmful varnish and sludge built up over years. Our already low prices gain a feature 10% discount applying from OCTOBER 1st to DECEMBER 31st using code SEA10.

https://dlretail.square.site/s/order?shipping=true #2

21/07/2023

Our feature product this season is our R134a top off service refrigerant sourced from Johnsen's in the USA. Our already low prices gain a feature 10% discount until the end of September 2023 using code COOL10,

https://dlretail.square.site/s/order?shipping=true #14

R134a service gas canisters and kits for car air conditioning top off.

19/07/2023

Retailing premium USA car care products that we import into the UK weekly:

Johnsen's R134a AC DIY Service refrigerant cans.
3M and Meguires polish and cutting compounds.
Permatex liquid gaskets and high temperature sealants.
Motorcraft filters.
Seafoam, Marvel and Rislone Fuel & Oil additives.
Permatex, Lucas Oil and Lubriplate assembly oils and greases.
Brake calliper greases and fluids.

https://driverline.co.uk/index.html