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CALORSTAT BY VERNET CALORSTAT by Vernet RS5581 Reverse Light Switch RS5581

CALORSTAT by Vernet RS5581 Reverse Light Switch

Compatible with PORSCHE BOXSTER Spyder (987) , AUDI A8 D2 (4D2, 4D8) , AUDI A6 C5 (4B2, 4B4) Show more info
Ensures your reverse lights activate correctly when shifting into reverse. A crucial component for safe vehicle operation.
5.81 EUR
inc. VAT 21%
In stock 44
Delivery 1 day (25.03.2026)
PN RS5581
Make CALORSTAT BY VERNET
EAN 3531650027903

The CALORSTAT by Vernet RS5581 is a high-quality reverse light switch designed to reliably signal your vehicle's engagement of the reverse gear. This switch is essential for activating your backup lights, enhancing visibility and safety when maneuvering in low-light conditions or tight spaces. Proper functioning of the reverse light switch is critical for preventing accidents. It ensures that other road users are alerted to your intentions, providing them with adequate time to react. This component plays a vital role in the overall safety system of your vehicle. Crafted by CALORSTAT by Vernet, a trusted name in automotive components, the RS5581 is built to meet stringent quality standards. Its durable construction ensures longevity and consistent performance, providing peace of mind for drivers. Installation is straightforward, making it an ideal replacement part for your vehicle's existing switch.

  • Direct replacement for original equipment.
  • Ensures proper activation of reverse lights.
  • Enhances safety when reversing.
  • Durable construction for long service life.
  • Manufactured by CALORSTAT by Vernet.
  • Reliable and consistent performance.
  • Essential for safe maneuvering.
Thread size
M14x1.5
Sensor type
open type sensor
  • PORSCHE
    • BOXSTER Spyder (987)
      • 3.4 (987.720) (235kW/320PS)
    • CAYMAN (987)
      • R 3.4 (243kW/330PS)
      • S 3,4 Sport (223kW/303PS)
      • 2.9 (195kW/265PS)
      • S 3.4 (235kW/320PS)
    • BOXSTER (981)
      • 2.7 (195kW/265PS)
      • S 3.4 (232kW/315PS)
      • GTS 3.4 (243kW/330PS)
    • CAYMAN (981)
      • 2.7 (202kW/275PS)
      • S 3.4 (239kW/325PS)
      • GTS 3.4 (250kW/340PS)
      • 3.8 GT4 (283kW/385PS)
    • BOXSTER Spyder (981)
      • 3.8 (276kW/375PS)
    • 718 BOXSTER (982)
      • 2.0 T (982320, 982321, 982350, 982351) (220kW/300PS)
      • 2.5 S (982330, 982331) (257kW/350PS)
      • 2.5 GTS (982340, 982341, 982380) (269kW/365PS)
      • GTS 4.0 (982360, 982361) (294kW/400PS)
    • 718 CAYMAN (982)
      • 2.0 (982120, 982121, 982150, 982151) (220kW/300PS)
      • S 2.5 (982130, 982131) (257kW/350PS)
      • 2.5 GTS (982140, 982141) (269kW/365PS)
      • 4.0 GT4 (982810, 982811) (309kW/420PS)
      • GTS 4.0 (982160, 982161) (294kW/400PS)
    • 718 BOXSTER Spyder (982)
      • 4.0 (982510, 982511) (309kW/420PS)
    • BOXSTER (987)
      • S 3.4 (987.760, 987.761, 987.320) (235kW/320PS)
  • AUDI
    • A8 D2 (4D2, 4D8)
      • 2.8 quattro (128kW/174PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.8 (120kW/163PS)
      • 2.8 quattro (120kW/163PS)
    • A6 C5 (4B2, 4B4)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.7 T quattro (184kW/250PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.8 quattro (140kW/190PS)
      • 3.0 (160kW/218PS)
    • A6 C5 Avant (4B5, 4B6)
      • 2.8 quattro (142kW/193PS)
      • 2.4 (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 2.4 quattro (121kW/165PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.7 T quattro (184kW/250PS)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 3.0 (160kW/218PS)
      • 3.0 quattro (160kW/218PS)
      • 2.8 quattro (140kW/190PS)
    • A6 C6 (4F2)
      • 3.0 TFSI quattro (220kW/299PS)
      • 2.4 (130kW/177PS)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
      • 2.0 TDI (103kW/140PS)
      • 4.2 quattro (246kW/335PS)
      • 3.0 TDI quattro (165kW/225PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 2.7 TDI (132kW/180PS)
      • 2.7 TDI (120kW/163PS)
      • 2.4 quattro (130kW/177PS)
      • 2.7 TDI quattro (132kW/180PS)
      • 2.0 TFSI (125kW/170PS)
      • 2.0 TDI (100kW/136PS)
      • S6 quattro (320kW/435PS)
      • 4.2 FSI quattro (257kW/350PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 2.8 FSI (154kW/210PS)
      • 3.0 quattro (160kW/218PS)
      • 2.0 TDI (89kW/121PS)
      • 2.0 TDI (125kW/170PS)
      • 2.7 TDI (140kW/190PS)
      • 2.8 FSI (140kW/190PS)
      • 2.8 FSI quattro (140kW/190PS)
      • 2.8 FSI quattro (162kW/220PS)
      • 2.8 FSI (162kW/220PS)
      • 3.0 TDI quattro (176kW/240PS)
    • A6 C6 Avant (4F5)
      • 3.0 TFSI quattro (220kW/299PS)
      • 2.0 TDI (103kW/140PS)
      • 2.7 TDI (120kW/163PS)
      • 3.0 TDI quattro (165kW/225PS)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
      • 4.2 quattro (246kW/335PS)
      • 2.4 (130kW/177PS)
      • 2.4 quattro (130kW/177PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 2.7 TDI (132kW/180PS)
      • 2.7 TDI quattro (132kW/180PS)
      • 2.0 TFSI (125kW/170PS)
      • 2.0 TDI (100kW/136PS)
      • 2.7 TDI quattro (120kW/163PS)
      • S6 quattro (320kW/435PS)
      • 4.2 FSI quattro (257kW/350PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 2.8 FSI (154kW/210PS)
      • 3.0 quattro (160kW/218PS)
      • 2.8 FSI quattro (154kW/210PS)
      • 2.0 TDI (89kW/121PS)
      • 2.0 TDI (125kW/170PS)
      • 2.7 TDI (140kW/190PS)
      • 2.8 FSI (140kW/190PS)
      • 2.8 FSI (162kW/220PS)
      • 2.8 FSI quattro (140kW/190PS)
      • 2.8 FSI quattro (162kW/220PS)
      • 3.0 TDI quattro (176kW/240PS)
      • 2.0 TDI (120kW/163PS)
    • A4 B5 Avant (8D5)
      • RS4 quattro (280kW/380PS)
    • R8 (422, 423)
      • 5.2 FSI quattro (404kW/550PS)
      • 4.2 FSI quattro (309kW/420PS)
      • 5.2 FSI quattro (386kW/525PS)
      • 4.2 FSI quattro (316kW/430PS)
    • ALLROAD C5 (4BH)
      • 2.5 TDI quattro (132kW/180PS)
      • 2.7 T quattro (184kW/250PS)
      • 2.5 TDI quattro (120kW/163PS)
    • A4 B6 (8E2)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 1.9 TDI (96kW/130PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 2.5 TDI (114kW/155PS)
      • 2.4 (125kW/170PS)
      • 1.9 TDI quattro (96kW/130PS)
      • 1.8 T quattro (120kW/163PS)
      • 2.5 TDI (120kW/163PS)
      • 2.4 (120kW/163PS)
      • S4 quattro (253kW/344PS)
      • 1.8 T (140kW/190PS)
      • 1.8 T quattro (140kW/190PS)
      • 3.0 (160kW/218PS)
      • 3.0 quattro (160kW/218PS)
    • A4 B6 Avant (8E5)
      • 3.0 (162kW/220PS)
      • 1.9 TDI (96kW/130PS)
      • 2.4 (125kW/170PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 2.5 TDI (114kW/155PS)
      • 3.0 quattro (162kW/220PS)
      • 1.9 TDI quattro (96kW/130PS)
      • 1.8 T quattro (120kW/163PS)
      • 2.5 TDI (120kW/163PS)
      • 2.4 (120kW/163PS)
      • 1.8 T (140kW/190PS)
      • 1.8 T quattro (140kW/190PS)
      • S4 quattro (253kW/344PS)
      • 3.0 quattro (160kW/218PS)
    • A4 B6 Kabriolets (8H7)
      • 2.4 (125kW/170PS)
      • 3.0 (162kW/220PS)
      • 2.4 (120kW/163PS)
      • 2.5 TDI (120kW/163PS)
      • 1.8 T quattro (120kW/163PS)
      • 3.0 quattro (162kW/220PS)
      • S4 quattro (253kW/344PS)
      • 3.0 (160kW/218PS)
    • A4 B7 (8EC)
      • 2.0 TFSI (147kW/200PS)
      • 2.0 TFSI quattro (147kW/200PS)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
      • 2.0 TDI (100kW/136PS)
      • 2.0 TDI 16V (103kW/140PS)
      • 3.0 TDI quattro (150kW/204PS)
      • 1.8 T quattro (120kW/163PS)
      • 1.9 TDI (85kW/116PS)
      • 2.5 TDI (120kW/163PS)
      • RS4 quattro (309kW/420PS)
      • 2.0 TFSI (162kW/220PS)
      • 2.0 TFSI quattro (162kW/220PS)
      • S4 quattro (253kW/344PS)
      • 2.0 TDI quattro (103kW/140PS)
      • 2.0 TDI (125kW/170PS)
      • 2.0 TDI quattro (125kW/170PS)
      • 2.7 TDI (132kW/180PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 2.0 TDI (103kW/140PS)
      • 2.0 TFSI (125kW/170PS)
      • 3.0 quattro (160kW/218PS)
      • 2.0 TDI (93kW/126PS)
      • 2.7 TDI (120kW/163PS)
    • A4 B7 Avant (8ED)
      • 1.8 T quattro (120kW/163PS)
      • 2.0 TFSI (147kW/200PS)
      • 2.0 TFSI quattro (147kW/200PS)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
      • 1.9 TDI (85kW/116PS)
      • 2.0 TDI 16V (103kW/140PS)
      • 2.5 TDI (120kW/163PS)
      • 3.0 TDI quattro (150kW/204PS)
      • RS4 quattro (309kW/420PS)
      • S4 quattro (253kW/344PS)
      • 2.0 TDI quattro (103kW/140PS)
      • 2.0 TFSI (162kW/220PS)
      • 2.0 TFSI quattro (162kW/220PS)
      • 2.0 TDI (125kW/170PS)
      • 2.0 TDI quattro (125kW/170PS)
      • 2.7 TDI (132kW/180PS)
      • 2.0 TDI (100kW/136PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 2.0 TDI (103kW/140PS)
      • 2.0 TFSI (125kW/170PS)
      • 3.0 quattro (160kW/218PS)
      • 3.0 (160kW/218PS)
      • 2.0 TDI (120kW/163PS)
      • 2.0 TDI quattro (120kW/163PS)
      • 2.7 TDi (120kW/163PS)
      • 2.0 TDI (93kW/126PS)
    • A4 B7 Kabriolets (8HE)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
      • 2.0 TDI (103kW/140PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 2.0 TFSI 16V (147kW/200PS)
      • 2.7 TDI (132kW/180PS)
      • RS4 quattro (309kW/420PS)
      • 3.0 TDI quattro (150kW/204PS)
      • 2.0 TDI (100kW/136PS)
      • S4 quattro (253kW/344PS)
    • A6 Allroad C6 (4FH)
      • 3.2 FSI quattro (188kW/255PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 3.0 TDI quattro (176kW/240PS)
    • R8 Spyder (427, 429)
      • 5.2 FSI quattro (386kW/525PS)
      • 4.2 FSI quattro (316kW/430PS)
  • VW
    • PASSAT B5 (3B2)
      • 1.9 TDI (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI Syncro/4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 2.0 (88kW/120PS)
    • PASSAT B5 Variant (3B5)
      • 1.9 TDI (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI Syncro/4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 2.0 (88kW/120PS)
    • PASSAT B5.5 (3B3)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI (96kW/130PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 4.0 W8 4motion (202kW/275PS)
      • 2.5 TDI 4motion (132kW/180PS)
      • 2.5 TDI (120kW/163PS)
      • 2.0 TDI (100kW/136PS)
    • PASSAT B5.5 Variant (3B6)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI (96kW/130PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 4.0 W8 4motion (202kW/275PS)
      • 2.5 TDI 4motion (132kW/180PS)
      • 2.5 TDI (120kW/163PS)
      • 2.0 TDI (100kW/136PS)
    • PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9)
      • 6.0 W12 4motion (309kW/420PS)
      • 3.2 V6 (177kW/241PS)
      • 5.0 V10 TDI 4motion (230kW/313PS)
      • 4.2 V8 4motion (246kW/335PS)
      • 3.0 V6 TDI 4motion (165kW/224PS)
      • 6.0 W12 4motion (331kW/450PS)
      • 3.6 V6 4motion (206kW/280PS)
  • SKODA
    • SUPERB I (3U4)
      • 2.5 TDI (114kW/155PS)
      • 2.5 TDI (120kW/163PS)
      • 2.0 TDI (103kW/140PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 V6 (140kW/190PS)
  • SEAT
    • EXEO (3R2)
      • 1.6 (75kW/102PS)
      • 1.8 T (110kW/150PS)
      • 2.0 TFSI (147kW/200PS)
      • 2.0 TDI (105kW/143PS)
      • 2.0 TDI (125kW/170PS)
      • 2.0 TDI (88kW/120PS)
      • 1.8 TSI (88kW/120PS)
      • 1.8 TSI (118kW/160PS)
      • 2.0 TFSI (155kW/211PS)
    • EXEO ST (3R5)
      • 1.6 (75kW/102PS)
      • 1.8 T (110kW/150PS)
      • 2.0 TFSI (147kW/200PS)
      • 2.0 TDI (105kW/143PS)
      • 2.0 TDI (125kW/170PS)
      • 2.0 TDI (88kW/120PS)
      • 1.8 TSI (88kW/120PS)
      • 1.8 TSI (118kW/160PS)
      • 2.0 TFSI (155kW/211PS)
AUDI
01E941521A 01E941521B
VW
01E941521A 01E941521B
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