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Aral HighTronic 5W-40 is a high-performance, low-friction engine oil using Aral synthetic technology. It can be used in many cars with petrol or diesel engines (please note manufacturer specifications). The balanced formulation also meets the high wear protection requirements according to VW 505 01 (pump-nozzle specification). The modern Low Ash technology protects against harmful ash deposits in the diesel particulate filter and thus supports their effectiveness and service life. Specifications ACEA C3 API SN/CF Meets Fiat 9.55535-S2 Meets Ford WSS-M2C917-A GMdexos2™ * MB approval 229.31/ 229.51 Porsche A40 Renault RN 0700 / RN 0710 VW 505 00/ 505 01 Container size:5 Product number:1598939

Substitution of steel spring by S-Ply® leaf spring   Due to their  greater spring action, steel spring packages can be replaced by fewer or even one S-Ply® leaf spring for many applications.   Example:   a) Substitution   b) Cost calculation   Steel leaf spring: 155 x 25 x 2 mm 1 package of 10 springs   S-Ply® leaf spring: It is essential:   with: hS-Ply = Thickness of S-Ply® spring hStahl = Thickness of steel spring nStahl = Amount of steel springs EStahl = Modulus of elasticity (here 210.000 N/mm2) ES-Ply = Modulus of elasticity of S-Ply® leaf spring (here 28.000 N/mm2)   The result is that 10 steel leaf springs with a thickness of 2 mm each can be replaced by only 1 S-Ply® leaf spring with the thickness of 8,5 mm. Steel leaf spring* 10 pieces at 1,20 € = 12,00 € Intermediate package layers 18 pieces at 0,12 € = 2,16 € Total costs 14,16 € * purchase quantity > 1000 pieces, status 2009   S-Ply® leaf spring** 1 pc. at 4,13 € = 4,13 € shim plates (if applicable) 4 pc. at 0,12 € = 0,48