Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries For Our 25th Anniversary Sweepstakes!
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries For Our 25th Anniversary Sweepstakes!
Includes accessory and supercharger belt idler pulleys
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
06-25-2026
Complete assembly with new pulley
We Price Match - Give Us A Call or Chat!
Includes accessory belt, supercharger belt, belt tensioner assemblies and idler pulleys
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
01-30-2026
Eliminate weak factory plastic idlers with the UPD M113K Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
Complete assembly with new pulley
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
01-30-2026
Eliminate weak factory plastic idlers with the UPD M113K Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
Includes accessory and supercharger belt idler pulleys
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Keeps constant pressure on your serpentine belt to prevent belt slipping
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
28.45x1289mm - 8PK1289
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
04-13-2026
Keeps constant pressure on your serpentine belt to prevent belt slipping
We Price Match - Give Us A Call or Chat!
Used in various locations on multiple Mercedes-Benz vehicles
Two (2) Required - Tensioner To Timing Case
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-16-2026
Keeps constant pressure on your serpentine belt to prevent belt slipping
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
05-07-2026
Keeps constant pressure on your serpentine belt to prevent belt slipping
We Price Match - Give Us A Call or Chat!
Featuring Weistec 8 Rib Belt Tensioner. Made in the USA!
Replacement Supercharger Belt for Weistec Supercharged M113K with 67.5mm upper, and Stock (150mm) Lower.