70%OffSale
Sale
Top PickUp to 70% Off
The deepest reduction on the site. Auto parts clear on model year rather than season, so availability rather than price is usually the constraint.
Expires: Limited Time Offer
Auto Barn Coupons and Car Part Deals
23 active offers available for Auto Barn
50%OffSale
Sale
Up to 50% Off
Half off across the promotional range. Where it overlaps a named product offer, only the larger of the two applies.
Expires: Limited Time Offer
40%OffDeal
Deal
40% Off the 12 Volt Heated Car Blanket
Forty percent off a single item. A 12 volt blanket runs off the accessory socket, so check the current draw against what your socket is fused for.
Expires: Limited Time Offer
30%OffSale
Sale
30% Off Car Batteries
Thirty percent off batteries. Match the group size and cold cranking amps to the handbook figure rather than the physical dimensions alone.
Expires: Limited Time Offer
20%OffSignup
Signup
20% Off Your First Order
Twenty percent on an initial purchase. It reaches full price stock that the category sales do not, which is where it earns its place.
Expires: Limited Time Offer
18%OffDeal
Deal
18% Off Lucas Low Viscosity Oil Stabilizer
Eighteen percent off the Lucas stabiliser. The low viscosity version is formulated for modern thin grade oils, where the original would thicken them too far.
Expires: Limited Time Offer
16%OffSale
Sale
Up to 16% Off Marine Wash and Wax
Sixteen percent off the marine range. Marine products are formulated for salt exposure and gelcoat rather than automotive paint, so they are not interchangeable.
Expires: Limited Time Offer
15%OffCode
Code
15% Off Coverking Custom Car and Seat Covers
Fifteen percent off Coverking, which cuts covers to a specific vehicle rather than selling universal fit. Confirm the exact model year when ordering.
Expires: Limited Time Offer
12%Off$300
$300
12% Off Orders Over $300
Twelve percent once the basket passes $300, which returns $36 at the threshold. That beats every fixed amount code here on a larger order.
Expires: Limited Time Offer
11%OffDeal
Deal
11% Off the 12V 1 Amp Smart Battery Charger
Eleven percent off the trickle charger. A one amp smart charger maintains a battery over winter rather than reviving a flat one, which needs far more current.
Expires: Limited Time Offer
10%OffDeal
Deal
10% Off the Zymol Total Care Cream Wax Kit
Ten percent off the Zymol kit. Carnauba based waxes give more depth than synthetic sealants but need reapplying far more often.
Expires: Limited Time Offer
10%OffSale
Sale
Up to 10% Off Featured Items
Ten percent on a rotating featured selection. Worth checking against the wider sales, since those run considerably deeper.
Expires: Limited Time Offer
5%OffDeal
Deal
5% Off the Genius Boost Sport Lithium Jump Starter
Five percent off the 400 amp lithium jump starter. Lithium packs hold charge far longer in storage than lead acid, which is what makes them practical in a boot.
Expires: Limited Time Offer
5%OffDeal
Deal
5% Off the Leather Steering Wheel Cover
Five percent off the leather cover. Check the wheel diameter and grip thickness, since covers are sized to a range rather than fitting universally.
Expires: Limited Time Offer
5%OffDeal
Deal
5% Off the Protector Grey Car Cover
Five percent off the outdoor cover. A breathable cover matters more than a waterproof one, since trapped moisture does more paint damage than rain.
Expires: Limited Time Offer
5%OffSignup
Signup
5% Off When You Subscribe
Five percent for joining the mailing list. Small, but it applies to items none of the category sales reach.
Expires: Limited Time Offer
$10Off$89
$89
$10 Off Orders Over $89
Ten dollars once the basket passes $89, which is over 11% at the threshold. The better of the two spend codes on a mid sized order.
Expires: Limited Time Offer
$10OffCode
Code
$10 Off WeatherTech Products
Ten dollars off WeatherTech specifically. WeatherTech floor liners are laser measured per vehicle, so confirm the model year before ordering.
Expires: Limited Time Offer
$5Off$49
$49
$5 Off Orders Over $49
Five dollars above $49, the lowest threshold here. Worth checking how close the basket sits to $89, since crossing it doubles the discount.
Expires: Limited Time Offer
From$20Gift Card
Gift Card
Gift Cards From $20
From $20. A gift card sidesteps the fitment problem that makes car parts difficult to buy for someone else.
Expires: Limited Time Offer
From$99Offer
Offer
Car Amplifiers From $99
The most expensive category entry at $99. Amplifier power is quoted at RMS and peak, and only the RMS figure means anything when matching to speakers.
Expires: Limited Time Offer
FreeGiftOffer
Offer
Free Gift With Any Car Care Order
An item added at no cost on car care orders. Usually an applicator or cloth, which is worth having since those are consumables rather than accessories.
Expires: Limited Time Offer
FreeShipping$69
$69
Free Shipping Over $69
Delivery is free once the basket passes $69. Car parts ship heavy, so clearing that threshold is worth more than on a typical parcel order.
Expires: Limited Time Offer
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Member Perks
Partner Offers & Coupons
Extra codes from partner brands, refreshed alongside this store's offers.
DealVerified
Sixt NL - BEWelcome 100 Points with SIXT ONE Loyalty Program – Rewards & Discounts Offer 2026
Expires : SoonGet Deal
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DDPAI Global10% Off Your Entire Order With No Minimum
Expires : Limited Time OfferReveal Code
DealVerified
Wowow ToysSmart Police Carry Case Playset Only £10.99
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DealVerified
Car Audio CentreCo-Pilot CPCE6 Coiled Universal Micro USB Car Charger Only £2.94
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Virtual llantas MXFollow Virtualllantas MX for Exclusive Deals
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Neumaticos-online.esContinental Contiroadattack 3 Just €157,44
Expires : Limited Time OfferGet Deal
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Auto Barn Coupons and Car Part Deals
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