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Item: 966119

Castrol Power 1 4T 10W/40 Motorcycle Engine Oil - 4ltr


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  • Castrol Power 1 4T 10W/40 Motorcycle Engine Oil

    Premium quality part synthetic Castrol Power 1 4T 10W/40 is a leading edge protective motorbike oil ideal for four stroke motorcycle engines. Employing the latest 'Trizone technology,' experience increased power from your motorbike with Castrol Power 1 4T Motorcycle Engine Oil.

    We also offer a vast range of other brilliant scooter and motorcycle oil and additives.

    Castrol Power 1 4T 10W/40 Motorcycle Engine Oil Extra Info

    • Power release formula ensures maximum and sustained engine performance
    • 10W/40 is perfect for high performance bikes including highly stressed multi cylinder units
    • Abates internal drag and friction, meaning up to 3% more power than other conventional motorbike engine oils
    • Complies with the requirements of catalyst equipped engines

    To check which oil you require for your motorcycle, please click HERE.

    Additional Information

    • Suitable for all modern motorcycle engines where API and or JASO specifications are recommended
  • Grade: 10W/40
    Oil Type: Part synthetic
    Size (litres): 4
  • Rated 5 out of 5 by 22 reviewers.
    Rated 5 out of 5 by Motorcycle Oil I always use Castrol Power 1 in my three motorcycles and have always found it first class 27 June 2016
    Rated 5 out of 5 by A1 product Castrol is a legend in the motorcycle world with a pedigree second to none, this 10w 40 is ideal for multi-cylinder bikes and a good "jack of all trades" in general. I have used it for 20 years, it costs a bit more than other oils but you get what you pay for with this. The only problem I have with this product is its info, nowhere on the packaging does it tell you if its a mineral...semi...or full synthetic, the oil code from your bike manufacturer does not tell you either cos the oil code just tells you whether it is the correct grade of oil, not its base blend. I have emailed Castrol about this and they said" we have had hundreds of complaints about it but there are no plans to change the labeling". Great oil never the less. Get it ! 09 April 2016
    Rated 5 out of 5 by Quality product Great product from a trusted name. I will keep using this oil. 20 September 2014
    Rated 5 out of 5 by Very noticeable difference :) Decided to use this product on my yfm660r raptor (quad) and from the start up I could tell the difference was lot quieter when getting warm and really smooth gear changing when flat out, will never use anything else from now on! big thumbs up from me !!! 31 August 2014
    Rated 5 out of 5 by This is the Oil that the manufacturer recommends for my bike. I own a BMW 650 Sertao motorcycle, that required a service. This is the oil that BMW recommend for my bike, so that'll be why I chose it. I looked on line and could have bought it a few pounds cheaper, but I didn't want to wait for it to be delivered. 24 June 2013
    Rated 5 out of 5 by Castrol Power 1 4T 10W/40 Motorcycle Engine Oil - 4ltr Used this oil previously and found it noticeably better quality than alternatives. So was naturally pleased that Halfords had it at a decent price when I was shopping for this specific oil. 14 April 2013
    Rated 5 out of 5 by Quality oil at a good price Using castrol oil in all my vehicles recently. excellent value when Halfords special deals come along ! 13 April 2013
    Rated 5 out of 5 by castrol power 1 Great oil at a very competitive rate. Have had probs getting in sore before but always available to reserve. 11 April 2013
    • 2016-09-23 T09:02:46.943-05:00
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  • You can buy this product from one of our carefully selected Approved Partners. The full list of options available are below. Simply add your chosen option to your basket and proceed to checkout when you're ready.

    You can purchase products supplied by Halfords and selected other suppliers on

    Checkout is always via and all payment will be taken via In checkout the products will be split into separate deliveries for each supplier.

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    Price Seller Info Purchase

Some of the parts we sell here at Halfords have been reconditioned. These will carry a Refundable Deposit or an extra surcharge amount. When you add one of these reconditioned items to your basket, we'll add this extra cost automatically.

Once you've sent us your old item we'll check it over, and then refund you the full surcharge as long as everything is ok.

Before you return your old unit please make sure it's in re-serviceable condition. So if you're returning caliper casings, you'll need to double check they aren't badly damaged or broken. If the part you've sent is found to be unserviceable, we reserve the right not to refund the surcharge.

Please note that if you're returning your old unit to our National Returns Centre then this will be at your own expense.

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Castrol Motorcycle Oils

Castrol Power 1 4T 10W/40 Motorcycle Engine Oil - 4ltr

£38 Part synthetic Castrol Power 1 4T 10W/40 Motorcycle Engine Oil, for four stroke motorbike engines.