Skip to content
Engine Oil

Engine Oil

High-Quality Engine Oils – Mannol & Castrol | Tadhg Hawes

Keep your engine performing at its best with premium engine oils from Mannol and Castrol, available at Tadhg Hawes. Our expertly selected range includes fully synthetic, semi-synthetic, and mineral engine oils, designed to provide superior lubrication, protection, and performance for petrol and diesel engines.

Whether you need 5W-30, 10W-40, 5W-40, or other high-quality motor oils, we stock only trusted brands that meet or exceed OEM standards. Mannol engine oils offer advanced wear protection and fuel efficiency, while Castrol motor oils are engineered for maximum durability and engine cleanliness.

Shop our engine oil collection today for fast delivery and keep your vehicle running smoothly with the best high-performance motor oils in the industry.

Filters

€
€
Castrol Magnatec 10W-40 A/B -5 Litre Save 15% Save %
€60.29
€60.29 - €60.29
€60.29
€51.09
€51.09 - €51.09
€51.09

Castrol Magnatec 10W-40 A/B -5 Litre

Castrol

Castrol MAGNATEC delivers non-stop engine protection from every start. Its intelligent molecules cling like a magnet to critical engine parts — the...

View full details
€60.29
€60.29 - €60.29
€60.29
€51.09
€51.09 - €51.09
€51.09
Save 15% Save %
Castrol MAGNATEC 0W20 E -5 Litre Save 15% Save %
€80.28
€80.28 - €80.28
€80.28
€68.03
€68.03 - €68.03
€68.03

Castrol MAGNATEC 0W20 E -5 Litre

Castrol

Castrol MAGNATEC delivers non-stop engine protection from every start. Its intelligent molecules cling like a magnet to critical engine parts — the...

View full details
€80.28
€80.28 - €80.28
€80.28
€68.03
€68.03 - €68.03
€68.03
Save 15% Save %
Castrol Magnatec 0W-20 D -5 Litre Save 15% Save %
€85.61
€85.61 - €85.61
€85.61
€72.55
€72.55 - €72.55
€72.55

Castrol Magnatec 0W-20 D -5 Litre

Castrol

Castrol MAGNATEC delivers non-stop engine protection from every start. Its intelligent molecules cling like a magnet to critical engine parts — the...

View full details
€85.61
€85.61 - €85.61
€85.61
€72.55
€72.55 - €72.55
€72.55
Save 15% Save %
Castrol GTX 5W-30 RN17 H 4A -1 Litre Save 15% Save %
€12.89
€12.89 - €12.89
€12.89
€10.92
€10.92 - €10.92
€10.92

Castrol GTX 5W-30 RN17 H 4A -1 Litre

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€12.89
€12.89 - €12.89
€12.89
€10.92
€10.92 - €10.92
€10.92
Save 15% Save %
Castrol GTX 5w30 C4 (RN720) -1 Litre
Save 15% Save %
€20.10
€20.10 - €20.10
€20.10
€17.03
€17.03 - €17.03
€17.03

Castrol GTX 5w30 C4 (RN720) -1 Litre

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€20.10
€20.10 - €20.10
€20.10
€17.03
€17.03 - €17.03
€17.03
Save 15% Save %
Castrol GTX 5w30 A5/B5 1LTR (Ford WSS-M2C913-D)
Save 15% Save %
€17.87
€17.87 - €17.87
€17.87
€15.14
€15.14 - €15.14
€15.14

Castrol GTX 5w30 A5/B5 1LTR (Ford WSS-M2C913-D)

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€17.87
€17.87 - €17.87
€17.87
€15.14
€15.14 - €15.14
€15.14
Save 15% Save %
Catrol GTX 5W-30 RN17 H 4A 5L
Save 15% Save %
€59.61
€59.61 - €59.61
€59.61
€50.52
€50.52 - €50.52
€50.52

Castrol GTX 5W-30 RN17 H 4A 5L

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€59.61
€59.61 - €59.61
€59.61
€50.52
€50.52 - €50.52
€50.52
Save 15% Save %
Castrol GTX 5W-30 C4 H 1F -4 Litre
Save 15% Save %
€53.40
€53.40 - €53.40
€53.40
€45.25
€45.25 - €45.25
€45.25

Castrol GTX 5W-30 C4 H 1F -4 Litre

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€53.40
€53.40 - €53.40
€53.40
€45.25
€45.25 - €45.25
€45.25
Save 15% Save %
Castrol GTX 5W-30 C4 H 1F -1 Litre
Save 15% Save %
€16.72
€16.72 - €16.72
€16.72
€14.17
€14.17 - €14.17
€14.17

Castrol GTX 5W-30 C4 H 1F -1 Litre

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€16.72
€16.72 - €16.72
€16.72
€14.17
€14.17 - €14.17
€14.17
Save 15% Save %
Castrol GTX 10W40 -1 Litre
Save 15% Save %
€15.64
€15.64 - €15.64
€15.64
€13.25
€13.25 - €13.25
€13.25

Castrol GTX 10W40 -1 Litre

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€15.64
€15.64 - €15.64
€15.64
€13.25
€13.25 - €13.25
€13.25
Save 15% Save %
Castrol GTX 10W-40 A3/B4 H 4A -5 Litre
Save 15% Save %
€48.34
€48.34 - €48.34
€48.34
€40.97
€40.97 - €40.97
€40.97

Castrol GTX 10W-40 A3/B4 H 4A -5 Litre

Castrol

Castrol GTX has been helping extend engine life since 1968 by tackling the main causes of engine sludge. Its advanced 3X Clean formula catches, con...

View full details
€48.34
€48.34 - €48.34
€48.34
€40.97
€40.97 - €40.97
€40.97
Save 15% Save %
Castrol GP50 -4.54 Litre
Save 15% Save %
€91.54
€91.54 - €91.54
€91.54
€77.58
€77.58 - €77.58
€77.58

Castrol GP50 -4.54 Litre

Castrol

Castrol Classic GP50 is a premium SAE 50 monograde oil formulated with high quality mineral oils and carefully selected additives, part of the Cast...

View full details
€91.54
€91.54 - €91.54
€91.54
€77.58
€77.58 - €77.58
€77.58
Save 15% Save %
Castrol Edge LL IV FE 0w20 C5 (VW 508/509) -1 Litre
Save 15% Save %
€34.61
€34.61 - €34.61
€34.61
€29.33
€29.33 - €29.33
€29.33

Castrol Edge LL IV FE 0w20 C5 (VW 508/509) -1 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€34.61
€34.61 - €34.61
€34.61
€29.33
€29.33 - €29.33
€29.33
Save 15% Save %
Castrol EDGE 5W-30 LL H 1F -4 Litre
Save 15% Save %
€64.76
€64.76 - €64.76
€64.76
€54.88
€54.88 - €54.88
€54.88

Castrol EDGE 5W-30 LL H 1F -4 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€64.76
€64.76 - €64.76
€64.76
€54.88
€54.88 - €54.88
€54.88
Save 15% Save %
Castrol EDGE 5W-30 LL H 1F -1 Litre
Save 15% Save %
€22.33
€22.33 - €22.33
€22.33
€18.92
€18.92 - €18.92
€18.92

Castrol EDGE 5W-30 LL H 1F -1 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€22.33
€22.33 - €22.33
€22.33
€18.92
€18.92 - €18.92
€18.92
Save 15% Save %
Castrol Edge 0w20 C5 (VW 508/509) -4 Litre
Save 15% Save %
€107.18
€107.18 - €107.18
€107.18
€90.83
€90.83 - €90.83
€90.83

Castrol Edge 0w20 C5 (VW 508/509) -4 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€107.18
€107.18 - €107.18
€107.18
€90.83
€90.83 - €90.83
€90.83
Save 15% Save %
Castrol EDGE 10W-60 SUPERCAR H 4A -4 Litre
Save 15% Save %
€104.45
€104.45 - €104.45
€104.45
€88.52
€88.52 - €88.52
€88.52

Castrol EDGE 10W-60 SUPERCAR H 4A -4 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€104.45
€104.45 - €104.45
€104.45
€88.52
€88.52 - €88.52
€88.52
Save 15% Save %
Castrol Edge 0W-30 -4 Litre
Save 15% Save %
€88.23
€88.23 - €88.23
€88.23
€74.77
€74.77 - €74.77
€74.77

Castrol Edge 0W-30 -4 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€88.23
€88.23 - €88.23
€88.23
€74.77
€74.77 - €74.77
€74.77
Save 15% Save %
Castrol EDGE 0W-20 V -4 Litre
Save 15% Save %
€97.29
€97.29 - €97.29
€97.29
€82.45
€82.45 - €82.45
€82.45

Castrol EDGE 0W-20 V -4 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€97.29
€97.29 - €97.29
€97.29
€82.45
€82.45 - €82.45
€82.45
Save 15% Save %
Castrol EDGE 0W-20 LL IV H 4A -1 litre
Save 15% Save %
€29.03
€29.03 - €29.03
€29.03
€24.60
€24.60 - €24.60
€24.60

Castrol EDGE 0W-20 LL IV H 4A -1 litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€29.03
€29.03 - €29.03
€29.03
€24.60
€24.60 - €24.60
€24.60
Save 15% Save %
Castrol EDGE 0W-20 C5 H 4A -4 Litre
Save 15% Save %
€72.48
€72.48 - €72.48
€72.48
€61.42
€61.42 - €61.42
€61.42

Castrol EDGE 0W-20 C5 H 4A -4 Litre

Castrol

Castrol EDGE is Castrol's strongest and most advanced range of engine oils. Its TITANIUM FST™ technology doubles the oil's film strength, preventin...

View full details
€72.48
€72.48 - €72.48
€72.48
€61.42
€61.42 - €61.42
€61.42
Save 15% Save %
CASTROL CLASSIC XXL40 4.54L
Save 15% Save %
€91.64
€91.64 - €91.64
€91.64
€77.66
€77.66 - €77.66
€77.66

Castrol CLASSIC XXL40 4.54L

Castrol

Castrol Classic XXL40 is a premium SAE 40 monograde oil formulated with high quality mineral oils and carefully selected additives, part of the Cas...

View full details
€91.64
€91.64 - €91.64
€91.64
€77.66
€77.66 - €77.66
€77.66
Save 15% Save %
Castrol Classic XL30 Engine Oil sae30 -4.54 Litre
Save 15% Save %
€91.54
€91.54 - €91.54
€91.54
€77.58
€77.58 - €77.58
€77.58

Castrol Classic XL30 Engine Oil sae30 -4.54 Litre

Castrol

Castrol Classic XL30 is a premium SAE 30 monograde engine oil formulated with high quality mineral oils and carefully selected additives, part of t...

View full details
€91.54
€91.54 - €91.54
€91.54
€77.58
€77.58 - €77.58
€77.58
Save 15% Save %
Castrol CLASSIC GTX 10W/40 5 Litre
Save 15% Save %
€77.80
€77.80 - €77.80
€77.80
€65.93
€65.93 - €65.93
€65.93

Castrol CLASSIC GTX 10W/40 5 Litre

Castrol

Castrol GTX Classic 10W/40 is a high quality mineral engine oil for vehicles from 1978 to 1993, produced to the original formulation specified in p...

View full details
€77.80
€77.80 - €77.80
€77.80
€65.93
€65.93 - €65.93
€65.93
Save 15% Save %