Head Gasket & Exhaust Sealant

Our range of head gasket repair products and exhaust sealants offer easy solutions to get your engine running smoothly and efficiently again. Whether you’ve got a leak, a blown head gasket, or want to prevent an overheated radiator - you can fix the issue at home with Halfords.

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        Steel Seal
        3.7 / 5 (195)
        £44.49
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        Klarna financial company Spread the cost From £2.21 per month
        £44.49
        Klarna financial company Spread the cost From £2.21 per month
        Only £42.27 with Motoring Club premium
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        Klarna financial company Spread the cost From £2.21 per month
        Only £42.27 with Motoring Club premium
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        Holts
        4.5 / 5 (400)
        £9.49
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        Use code: MOTOR10 in basket
        £9.49
        Only £9.02 with Motoring Club premium
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        Only £9.02 with Motoring Club premium
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        Holts
        4.3 / 5 (98)
        £4.00
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        Use code: MOTOR10 in basket
        £4.00
        Only £3.80 with Motoring Club premium
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        Only £3.80 with Motoring Club premium
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        Halfords Recommends
        Holts
        4.7 / 5 (234)
        £4.00
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        Use code: MOTOR10 in basket
        £4.00
        Only £3.80 with Motoring Club premium
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        Only £3.80 with Motoring Club premium
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        Holts
        4.6 / 5 (163)
        £4.00
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        Use code: MOTOR10 in basket
        £4.00
        Only £3.80 with Motoring Club premium
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        Only £3.80 with Motoring Club premium
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        Loctite
        4.5 / 5 (32)
        £12.49
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        £12.49
        Only £11.87 with Motoring Club premium
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        Only £11.87 with Motoring Club premium
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        Granville
        4.4 / 5 (119)
        £4.19
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        £4.19
        Only £3.98 with Motoring Club premium
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        Only £3.98 with Motoring Club premium
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        Holts
        4.7 / 5 (47)
        £6.00
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        £6.00
        Only £5.70 with Motoring Club premium
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        Only £5.70 with Motoring Club premium
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        Online Exclusive
        Laser
        £51.00
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        Klarna financial company Spread the cost From £2.54 per month
        £51.00
        Klarna financial company Spread the cost From £2.54 per month
        Only £48.45 with Motoring Club premium
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        Klarna financial company Spread the cost From £2.54 per month
        Only £48.45 with Motoring Club premium
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        Holts
        4.3 / 5 (50)
        £15.79
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        £15.79
        Only £15.00 with Motoring Club premium
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        Only £15.00 with Motoring Club premium
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        Holts
        4.7 / 5 (41)
        £4.99
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        £4.99
        Only £4.74 with Motoring Club premium
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        Only £4.74 with Motoring Club premium
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        Holts
        4.5 / 5 (127)
        £4.49
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        Use code: MOTOR10 in basket
        £4.49
        Only £4.27 with Motoring Club premium
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        Only £4.27 with Motoring Club premium
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        Holts
        4.1 / 5 (47)
        £5.50
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        £5.50
        Only £5.22 with Motoring Club premium
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        Only £5.22 with Motoring Club premium
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        Online Exclusive
        Sealey
        £61.99
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        Klarna financial company Spread the cost From £3.08 per month
        £61.99
        Klarna financial company Spread the cost From £3.08 per month
        Only £58.89 with Motoring Club premium
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        Klarna financial company Spread the cost From £3.08 per month
        Only £58.89 with Motoring Club premium
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        Holts
        4.5 / 5 (61)
        £7.00
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        £7.00
        Only £6.65 with Motoring Club premium
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        Only £6.65 with Motoring Club premium
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        Online Exclusive
        Laser
        £56.00
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        Klarna financial company Spread the cost From £2.79 per month
        £56.00
        Klarna financial company Spread the cost From £2.79 per month
        Only £53.20 with Motoring Club premium
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        Klarna financial company Spread the cost From £2.79 per month
        Only £53.20 with Motoring Club premium
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        Online Exclusive
        Laser
        £36.00
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        Klarna financial company Spread the cost From £1.79 per month
        £36.00
        Klarna financial company Spread the cost From £1.79 per month
        Only £34.20 with Motoring Club premium
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        Klarna financial company Spread the cost From £1.79 per month
        Only £34.20 with Motoring Club premium
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        Online Exclusive
        Laser
        £507.00
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        Klarna financial company Spread the cost From £14.75 per month
        £507.00
        Klarna financial company Spread the cost From £14.75 per month
        Only £481.65 with Motoring Club premium
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        Klarna financial company Spread the cost From £14.75 per month
        Only £481.65 with Motoring Club premium
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