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Mercedes W121 Engine parts

Engine for MERCEDES-BENZ SL (W121) models – high-quality and low prices

It is necessary to choose your car model, otherwise you risk buying an item that does not fit. Please note that our search function only provides results relevant to a certain vehicle type.

Please select your vehicle to achieve the best fit accuracy with the OEM replacement part: MERCEDES-BENZ SL (W121) Engine
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Engine for Mercedes W121 – order online at unbeatable prices
Select the Mercedes W121 engine category you need spare parts from

The 15 engine Mercedes W121 bestseller at a good price

The most popular spare parts in the category Engine suitable for MERCEDES-BENZ SL (W121). Engine suitable for MERCEDES-BENZ W121 SL (W121): buy high-quality parts from leading brands

-37%
Spark plug RIDEX 686S0012 Mercedes W121 Engine cost original
Reviews - 19
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • RIDEX: Spark plug
  • Item number: 686S0012
  • Condition: New
Details
RIDEX 686S0012 Spark plug Spanner Size: 20,8
Article number: 686S0012
compared to RRP 5,04 €

3,15 €
Price per item
price incl. 23% VAT, excl. delivery costs
Seal, oil drain plug FEBI BILSTEIN 07215 Mercedes W121 Engine cost original
Reviews - 61
Parts Details
  • Material: Copper
  • Inner Diameter [mm]: 14
  • Thickness [mm]: 1,5
  • DIN / ISO: 7603 A / CU
  • Weight [kg]: 0,002
  • for OE number: 007603 014106
  • Diameter [mm]: 20
  • FEBI BILSTEIN: Seal, oil drain plug
  • Item number: 07215
  • Our price: 0,29 €
  • Condition: New
Details
FEBI BILSTEIN 07215 Seal, oil drain plug Copper
Article number: 07215
0,29 €
Price per item
price incl. 23% VAT, excl. delivery costs
-27%
Engine oil LIQUI MOLY 1129 Mercedes W121 Engine cost original
Reviews - 21
Parts Details
  • Capacity [litre]: 5
  • Specification: API SE, API CC
  • Product line: Classic Motoroil
  • Oil Viscosity Classification SAE: 20W-50
  • Version: HD
  • Oil: Mineral Oil
  • Packing Type: Canister
  • Vehicle type: Car
  • LIQUI MOLY: Engine oil
  • Item number: 1129
  • Our price: 61,79 €
  • Condition: New
Details
LIQUI MOLY 20W-50 Engine oil 20W-50, 5l, Mineral Oil
Article number: 1129
compared to RRP 85,47 €

61,79 €
12,36 € for 1 litre
price incl. 23% VAT, excl. delivery costs
Ignition coil MEAT & DORIA 10757 Mercedes W121 Engine cost original
Reviews - 18
Parts Details
  • Number of pins: 2
  • for OE number: DM21208B
  • Colour: blue
  • MEAT & DORIA: Ignition coil
  • Item number: 10757
  • Condition: New
Details
MEAT & DORIA 10757 Ignition coil 2-pin connector, blue
Article number: 10757
17,63 €
price incl. 23% VAT, excl. delivery costs
Ignition coil BERU ZS563 Mercedes W121 Engine price original
Reviews - 4
Parts Details
  • Number of pins: 2
  • Voltage [V]: 12
  • Number of connectors: 1
  • Ignition Coil: Connector Type DIN, Connector Type M5
  • Vehicle Equipment: for vehicles with distributor
  • Connecting thread: M5
  • Alternatively
  • BERU: Ignition coil
  • Item number: ZS563
  • Condition: New
Details
BERU ZS563 Ignition coil 2-pin connector, 12V, Number of connectors: 1, Connector Type DIN, Connector Type M5, for vehicles with distributor
Article number: ZS563
56,23 €
price incl. 23% VAT, excl. delivery costs
-70%
V-Belt GATES 6213MC Mercedes W121 Engine price original
Reviews - 4
Parts Details
  • Length [mm]: 825
  • Width [mm]: 10
  • Outer Length [mm]: 835
  • Tensile Cord Material: Polyester
  • Belt Material: Polychloroprene (Neoprene)
  • Colour: black
  • GATES: V-Belt
  • Item number: 6213MC
  • Our price: 5,46 €
  • Condition: New
Details
GATES 8532-16213 V-Belt Width: 10mm, Length: 825mm
Article number: 6213MC
compared to RRP 18,63 €

5,46 €
price incl. 23% VAT, excl. delivery costs
Spark plug BOSCH 0 242 240 592 Mercedes W121 Engine price original
Reviews - 43
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • BOSCH: Spark plug
  • Item number: 0 242 240 592
  • Condition: New
Details
BOSCH +12 Spark plug M 14 x 1,25, Spanner Size: 20,8
Article number: 0 242 240 592
3,77 €
Price per item
price incl. 23% VAT, excl. delivery costs
Spark plug NGK 2412 Mercedes W121 Engine price original
Reviews - 16
Parts Details
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 2412
  • Condition: New
Details
NGK BP7ES Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2412
3,86 €
Price per item
price incl. 23% VAT, excl. delivery costs
-63%
Seal, oil drain plug BLUE PRINT ADA100105 original Mercedes W121 Engine prices for sale
Reviews - 14
Parts Details
  • Material: Copper
  • Inner Diameter [mm]: 14
  • Thickness [mm]: 2
  • DIN / ISO: 7603 A / CU
  • Weight [kg]: 0,001
  • for OE number: 007603 014106
  • Diameter [mm]: 20
  • BLUE PRINT: Seal, oil drain plug
  • Item number: ADA100105
  • Our price: 0,30 €
  • Condition: New
Details
BLUE PRINT ADA100105 Seal, oil drain plug Copper
Article number: ADA100105
compared to RRP 0,83 €

0,30 €
Price per item
price incl. 23% VAT, excl. delivery costs
-20%
Spark plug DENSO W20TT original Mercedes W121 Engine prices for sale
Reviews - 12
Parts Details
  • Product line: Nickel TT
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Crimped SAE
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • Weight [g]: 58
  • alternative item: IW20, IW20TT, IW20
  • DENSO: Spark plug
  • Item number: W20TT
  • Condition: New
Details
DENSO 4602 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W20TT
compared to RRP 6,37 €

5,08 €
Price per item
price incl. 23% VAT, excl. delivery costs
-74%
Ignition coil MAGNETI MARELLI 060717056012 original Mercedes W121 Engine prices for sale
Reviews - 25
Parts Details
  • MAGNETI MARELLI: Ignition coil
  • Item number: 060717056012
  • Condition: New
Details
MAGNETI MARELLI BAEQ056 Ignition coil
Article number: 060717056012
compared to RRP 84,87 €

21,85 €
price incl. 23% VAT, excl. delivery costs
Spark plug NGK 5411 original Mercedes W121 Engine prices for sale
Reviews - 13
Parts Details
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 4,5
  • Thread Size: M14 x 1,25
  • NGK: Spark plug
  • Item number: 5411
  • Condition: New
Details
NGK BP-2E Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 5411
4,17 €
Price per item
price incl. 23% VAT, excl. delivery costs
-54%
Spark plug CHAMPION CET8 original Mercedes W121 Engine prices for sale
Reviews - 8
Parts Details
  • Product line: Aerovantage Spoiler
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Ti Poly-V
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: CET8
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,85
  • Packaging width [cm]: 2,6
  • Packaging height [cm]: 2,35
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 1,5
  • CHAMPION: Spark plug
  • Item number: CET8
  • Condition: New
Details
CHAMPION CET8 Spark plug CET8, M14x1.25, Spanner Size: 21 mm, Ti Poly-V
Article number: CET8
compared to RRP 12,19 €

5,51 €
Price per item
price incl. 23% VAT, excl. delivery costs
-31%
Spark plug DENSO W20EP-U original Mercedes W121 Engine prices for sale
Reviews - 3
Parts Details
  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 20.6 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • Weight [g]: 56
  • for OE number: 09482-00392
  • alternative item: W20TT
  • DENSO: Spark plug
  • Item number: W20EP-U
  • Condition: New
Details
DENSO 3043 Spark plug M14x1.25, Spanner Size: 20.6 mm
Article number: W20EP-U
compared to RRP 3,73 €

2,55 €
Price per item
price incl. 23% VAT, excl. delivery costs
Sealing Plug, oil sump DT Spare Parts 4.30270 original Mercedes W121 Engine prices for sale
Parts Details
  • Thread Size: M24 x 1,5
  • Net Weight [g]: 54
  • DT Spare Parts: Sealing Plug, oil sump
  • Item number: 4.30270
  • Our price: 3,69 €
  • Condition: New
Details
DT Spare Parts 4.30270 Sealing Plug, oil sump M24 x 1,5
Article number: 4.30270
3,69 €
Price per item
price incl. 23% VAT, excl. delivery costs