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DELPHI DELPHI LM42031 Main Brake Cylinder LM42031

DELPHI LM42031 Main Brake Cylinder

Compatible with VW POLO II (86C, 80) , VW DERBY (86C, 80) , VW GOLF II (19E, 1G1) Show more info
Ensures proper hydraulic pressure for your braking system. A direct fit for reliable performance.
23.49 EUR
inc. VAT 21%
In stock 8
Delivery 1 day (14.05.2026)
PN LM42031
Make DELPHI
EAN 5012759700556

The DELPHI LM42031 Main Brake Cylinder is a critical component responsible for converting the force applied to the brake pedal into hydraulic pressure. This pressure is then transmitted through the brake lines to the wheel cylinders or calipers, which actuate the braking mechanism. Designed as a direct replacement, this main brake cylinder ensures compatibility and ease of installation. It is engineered to meet or exceed original equipment specifications, providing consistent and dependable braking performance for your vehicle. Proper functioning of the main brake cylinder is essential for vehicle safety. A worn or faulty cylinder can lead to a spongy brake pedal, reduced braking effectiveness, or complete brake failure. Replacing it with a quality part like the DELPHI LM42031 helps maintain the integrity of your braking system.

  • High-quality main brake cylinder
  • Ensures optimal hydraulic pressure
  • Designed for reliable braking performance
  • Direct fit replacement
  • Meets or exceeds OE specifications
  • Essential for vehicle safety
  • Durable construction for longevity
Piston diameter [mm]
20,6
Brake system
TEVES
Thread size 1
M10x1
  • VW
    • POLO II (86C, 80)
      • 1.0 (29kW/40PS)
      • 1.3 D (33kW/45PS)
      • 1.4 D (35kW/48PS)
      • 1.3 Cat (40kW/55PS)
      • 1.0 Cat (33kW/45PS)
      • 1.3 Cat (55kW/75PS)
      • 1.3 (40kW/55PS)
      • 1.0 (33kW/45PS)
      • 1.3 (55kW/75PS)
      • 1.3 (43kW/58PS)
      • 1.3 (37kW/50PS)
    • DERBY (86C, 80)
      • 1.0 (29kW/40PS)
      • 1.3 (40kW/55PS)
      • 1.3 (55kW/75PS)
    • GOLF II (19E, 1G1)
      • 1.3 (40kW/55PS)
      • 1.6 (51kW/70PS)
      • 1.6 (53kW/72PS)
      • 1.6 (55kW/75PS)
      • 1.8 GTI G60 Syncro (118kW/160PS)
      • 1.8 (62kW/84PS)
      • 1.8 Syncro (66kW/90PS)
      • 1.8 i Cat (66kW/90PS)
      • 1.8 Syncro (72kW/98PS)
      • 1.8 GTI Cat (79kW/107PS)
      • 1.8 GTI (82kW/112PS)
      • 1.8 GTI 16V (95kW/129PS)
      • 1.8 GTI 16V (102kW/139PS)
      • 1.8 GTI G60 (118kW/160PS)
      • 1.6 D (40kW/54PS)
      • 1.6 TD (59kW/80PS)
      • 1.6 TD (44kW/60PS)
      • 1.3 Cat (40kW/55PS)
      • 1.8 GTI (79kW/107PS)
      • 1.8 (66kW/90PS)
      • 1.8 i Cat Syncro (66kW/90PS)
      • 1.3 (37kW/50PS)
      • 1.0 (33kW/45PS)
      • 1.0 (37kW/50PS)
      • 1.8 GTI (77kW/105PS)
      • 1.8 GTI 16V (100kW/136PS)
      • 1.6 (51kW/69PS)
    • JETTA II (19E, 1G2, 165)
      • 1.3 (40kW/55PS)
      • 1.6 (51kW/70PS)
      • 1.6 (53kW/72PS)
      • 1.6 (55kW/75PS)
      • 1.8 (62kW/84PS)
      • 1.8 Cat (66kW/90PS)
      • 1.8 Cat (79kW/107PS)
      • 1.8 (82kW/112PS)
      • 1.8 16V (95kW/129PS)
      • 1.8 16V (102kW/140PS)
      • 1.6 D (40kW/54PS)
      • 1.6 TD (51kW/70PS)
      • 1.6 TD (59kW/80PS)
      • 1.6 TD (44kW/60PS)
      • 1.8 Syncro (72kW/98PS)
      • 1.8 Syncro (66kW/90PS)
      • 1.3 Cat (40kW/55PS)
      • 1.8 (79kW/107PS)
      • 1.8 (66kW/90PS)
      • 1.8 (77kW/105PS)
    • SCIROCCO (53B)
      • 1.6 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 1.8 (70kW/95PS)
      • 1.8 (82kW/112PS)
      • 1.3 (40kW/55PS)
    • GOLF I Cabriolet (155)
      • 1.6 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 1.8 (70kW/95PS)
      • 1.8 (82kW/112PS)
      • 1.8 (72kW/98PS)
      • 1.8 (82kW/111PS)
    • POLO Coupe (86C, 80)
      • 1.0 (29kW/40PS)
      • 1.3 G40 (85kW/115PS)
      • 1.3 D (33kW/45PS)
      • 1.4 D (35kW/48PS)
      • 1.0 Cat (33kW/45PS)
      • 1.3 Cat (40kW/55PS)
      • 1.3 Cat (55kW/75PS)
      • 1.3 (40kW/55PS)
      • 1.0 (33kW/45PS)
      • 1.3 (55kW/75PS)
      • 1.3 (57kW/78PS)
    • POLO CLASSIC (86C, 80)
      • 1.0 (29kW/40PS)
      • 1.0 (33kW/45PS)
      • 1.3 D (33kW/45PS)
      • 1.3 Cat (40kW/55PS)
      • 1.3 (40kW/55PS)
      • 1.4 D (35kW/48PS)
    • JETTA I (16)
      • 1.8 (82kW/112PS)
    • POLO Furgons/Hečbeks (86CF)
      • 1.0 (33kW/45PS)
      • 1.3 (40kW/54PS)
      • 1.4 D (35kW/48PS)
  • RENAULT
    • 19 I (B/C53_)
      • 1.4 Cat (B/C532) (43kW/58PS)
      • 1.7 (B/C53B) (54kW/73PS)
      • 1.8 16V (B/C53D) (99kW/135PS)
      • 1.4 (59kW/80PS)
      • 1.8 16V (101kW/137PS)
      • 1.8 (67kW/91PS)
    • 19 II Chamade (L53_)
      • 1.4 (532) (43kW/58PS)
      • 1.8 (L53Y) (65kW/88PS)
      • 1.8 (L53V, L538) (79kW/107PS)
      • 1.8 16V (L53D) (99kW/135PS)
      • 1.8 (453A/F) (66kW/90PS)
      • 1.8 (L538) (81kW/110PS)
      • 1.4 (59kW/80PS)
      • 1.8 (67kW/91PS)
      • 1.7 (55kW/75PS)
      • 1.4 (44kW/60PS)
    • 19 II (B/C53_)
      • 1.4 (B/C532) (43kW/58PS)
      • 1.7 (B/C53B) (54kW/73PS)
      • 1.8 16V (B/C53D) (99kW/135PS)
      • 1.8 (B/C53Y) (65kW/88PS)
      • 1.8 (B/C538) (81kW/110PS)
      • 1.8 (5/353F, B/C538) (79kW/107PS)
      • 1.8 (5/353A) (66kW/90PS)
      • 1.7 (B/C53C) (66kW/90PS)
      • 1.4 (57kW/78PS)
    • 19 I Chamade (L53_)
      • 1.4 (L532, L53P) (43kW/58PS)
      • 1.8 16V (L53D) (99kW/135PS)
      • 1.7 (L533) (68kW/92PS)
    • 19 II Cabriolet (D53_, 853_)
      • 1.7 (D53C) (66kW/90PS)
      • 1.8 16V (D53D) (99kW/135PS)
      • 1.8 (D53Y) (65kW/88PS)
      • 1.8 (D53V, 853F, D53C) (79kW/107PS)
      • 1.8 (853A) (66kW/90PS)
      • 1.8 16V (D53D) (101kW/137PS)
    • ESPACE I (J11_)
      • 2.2 (J117) (79kW/108PS)
      • 2.2 Quadra (J117) (79kW/108PS)
      • 2.0 i Quadra (J116) (87kW/118PS)
      • 2.0 i (J116) (87kW/118PS)
      • 2.2 Quadra (81kW/110PS)
    • RAPID Furgons/minivens (F40_, G40_)
      • 1.9 D (F40P, F40N, F40E) (47kW/64PS)
      • 1.2 (F406, G40A) (40kW/55PS)
      • 1.4 Cat (F407) (43kW/58PS)
      • 1.4 (F40U, F40V) (55kW/75PS)
      • 1.9 D (F40R) (40kW/54PS)
      • 1.4 (F40D) (58kW/79PS)
      • 1.4 RN (44kW/60PS)
      • 1.6 D (40kW/54PS)
      • 1.4 (59kW/80PS)
      • 1.4 (54kW/73PS)
      • Electric (21kW/29PS)
    • CLIO I (B/C57_, 5/357_)
      • 1.2 (B/C/S57A, B/C57S, 5/357F, 5/357J, 5/357L, 5/357R) (43kW/58PS)
      • 1.4 (B/C57T, B/C57Y) (58kW/79PS)
      • 1.8 Rsi (B/C57H) (79kW/107PS)
      • 1.2 (B/C/S577) (40kW/54PS)
      • 1.2 (B/C/S572) (44kW/60PS)
      • Electric (21kW/30PS)
      • 1.4 (57kW/78PS)
    • MEGANE I (BA0/1_)
      • 1.4 e (BA0E, BA0V) (55kW/75PS)
      • 1.6 e (BA0F, BA0S) (66kW/90PS)
      • 2.0 i (BA0G) (84kW/114PS)
      • 1.9 D Eco (BA0A, BA0U, BA0R) (47kW/64PS)
      • 1.6 i (BA0L) (55kW/75PS)
      • 1.9 dT (B/SA0K, B/SA0Y) (66kW/90PS)
      • 1.4 Eco (BA0T) (52kW/71PS)
      • 1.9 TDI (69kW/94PS)
      • 1.9 dTi (BA08, BA0N) (72kW/98PS)
      • 2.0 i (80kW/109PS)
      • 1.6 LPG (66kW/90PS)
      • 2.0 (85kW/115PS)
    • MEGANE I Coach (DA0/1_)
      • 1.6 e (DA0F) (66kW/90PS)
      • 2.0 i (DA0G) (84kW/114PS)
      • 1.9 dTi (DA0N) (72kW/98PS)
      • 2.0 i (80kW/109PS)
    • MEGANE I Classic (LA0/1_)
      • 1.4 (LA0E, LA0V) (55kW/75PS)
      • 1.9 TDI (69kW/94PS)
      • 1.6 i (LA0L) (55kW/75PS)
      • 1.9 dT (LA0K, LA0Y) (66kW/90PS)
      • 2.0 i (LA07, LA0G) (84kW/114PS)
      • 1.6 e (LA0F, LA0S) (66kW/90PS)
      • 1.9 D (LA0A, LA0U, LA0R) (47kW/64PS)
      • 1.9 dTi (LA08, LA0N, LA0K) (72kW/98PS)
      • 2.0 i (LA0G) (80kW/109PS)
      • 1.9 dTi (LA1U) (59kW/80PS)
      • 2.0 (85kW/115PS)
    • MEGANE Scénic (JA0/1_)
      • 1.4 i (JA0E) (55kW/75PS)
      • 1.6 i (JA0L) (55kW/75PS)
    • MEGANE I Cabriolet (EA0/1_)
      • 1.6 e (EA0F) (66kW/90PS)
      • 2.0 (EA0G) (84kW/114PS)
      • 2.0 i (EA0G) (80kW/109PS)
    • THALIA II (LU_)
      • 1.5 dCi (62kW/85PS)
      • 1.5 dCi (47kW/64PS)
      • 1.2 16V (LU2V) (55kW/75PS)
      • 1.4 (55kW/75PS)
    • 19 I Cabriolet (D53_)
      • 1.8 16V (D53D) (101kW/137PS)
      • 1.7 (66kW/90PS)
    • 19 II Furgons/Hečbeks (S53_)
      • 1.9 dT (68kW/92PS)
    • CLIO SYMBOL I (LB_)
      • 1.4 (55kW/75PS)
      • 1.4 16V (72kW/98PS)
      • 1.5 dCi (48kW/65PS)
      • 1.6 16V (79kW/107PS)
      • 1.5 dCi (60kW/82PS)
      • 1.2 16V (55kW/75PS)
      • 1.5 dCi (50kW/68PS)
      • 1.5 dCi (47kW/64PS)
      • 1.4 (LB17) (72kW/98PS)
    • EXPRESS Furgons/minivens
      • 1.9 D (47kW/64PS)
    • MEGANE I Hatchback Van (SA0/1_)
      • 1.9 (SA0U, SA0R, SA0A) (47kW/64PS)
  • PEUGEOT
    • 205 I (741A/C)
      • 1.1 (36kW/49PS)
      • 1.1 (37kW/50PS)
      • 1.4 (58kW/79PS)
    • 205 I Kabriolets (741B, 20D)
      • 1.4 CT (58kW/79PS)
      • 1.6 CJ (65kW/88PS)
      • 1.1 (40kW/54PS)
      • 1.4 (50kW/68PS)
      • 1.9 CTi (74kW/101PS)
    • 205 II (20A/C)
      • 1.7 Diesel (44kW/60PS)
      • 1.6 Aut. (65kW/88PS)
      • 1.9 Diesel (51kW/69PS)
      • 1.4 (50kW/68PS)
      • 1.8 XDT (58kW/79PS)
      • 1.6 (66kW/90PS)
      • 1.8 Diesel (44kW/60PS)
    • 309 I (10C, 10A)
      • 1.4 (62kW/84PS)
      • 1.9 (75kW/102PS)
      • 1.9 GTI (96kW/131PS)
      • 1.6 (83kW/113PS)
    • 106 I (1A, 1C)
      • 1.3 (72kW/98PS)
    • 205 Furgons/Hečbeks
      • 1.7 Diesel (44kW/60PS)
      • 1.1 (40kW/54PS)
      • 1.9 D (47kW/64PS)
      • 1.1 (44kW/60PS)
    • 309 II (3C, 3A)
      • 1.6 (74kW/101PS)
      • 1.9 GTI (96kW/131PS)
      • 1.9 D (50kW/68PS)
    • 309 Furgons/Hečbeks (10S, 3S)
      • 1.9 D (50kW/68PS)
      • 1.9 D (47kW/64PS)
      • 1.4 (48kW/65PS)
      • 1.4 (55kW/75PS)
  • SEAT
    • IBIZA I (21A)
      • 0.9 (32kW/44PS)
      • 1.2 (44kW/60PS)
      • 1.5 (63kW/85PS)
      • 1.5 i (74kW/100PS)
      • 1.7 D (40kW/54PS)
      • 1.7 D (42kW/57PS)
      • 0.9 (29kW/40PS)
      • 1.2 i (52kW/71PS)
      • 1.5 i Cat (66kW/90PS)
      • 1.7 (72kW/98PS)
      • 1.5 i (65kW/89PS)
      • 1.2 (46kW/63PS)
      • 1.5 (64kW/87PS)
    • RONDA (22A)
      • 1.2 (44kW/60PS)
      • 1.7 Diesel (40kW/54PS)
      • 1.7 Diesel (41kW/56PS)
    • MALAGA (23A)
      • 1.2 (44kW/60PS)
      • 1.5 (63kW/85PS)
      • 1.5 i Cat (66kW/90PS)
      • 1.5 i (74kW/100PS)
      • 1.7 D (40kW/54PS)
      • 1.7 D (42kW/57PS)
      • 1.2 i (52kW/71PS)
    • MARBELLA (28A)
      • 0.8 (25kW/34PS)
      • 0.9 (29kW/40PS)
      • 0.9 Cat (29kW/40PS)
      • 0.9 Cat (30kW/41PS)
      • 0.9 (32kW/44PS)
    • MARBELLA Furgons/Hečbeks (028A)
      • 0.8 (25kW/34PS)
      • 0.9 (29kW/40PS)
      • 0.9 Cat (29kW/40PS)
    • TERRA Furgons/Universālis (024A)
      • 1.3 D (33kW/45PS)
      • 1.4 D (35kW/48PS)
      • 0.9 Cat (29kW/40PS)
      • 0.9 (29kW/40PS)
    • TERRA (24)
      • 1.3 D (33kW/45PS)
      • 1.4 D (35kW/48PS)
      • 0.9 Cat (29kW/40PS)
      • 0.9 (29kW/40PS)
  • CITROËN
    • ZX (N2)
      • 1.8 (82kW/111PS)
      • 1.8 (76kW/103PS)
      • 1.9 DT (65kW/88PS)
      • 1.9 DT (68kW/92PS)
    • ZX Furgons/Hečbeks (N2)
      • 1.9 D (50kW/68PS)
      • 1.4 (55kW/75PS)
SEAT
191 611 019 192 611 019 3981135 SE021715003A
VW
191 611 019 192 611 019
VAG
191 611 019 SE021715003A
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