Carquest Serpentine Belt: 31.5" Long, 4 Rib Count, 315K4
In stock
$26.99
Listed as compatible with this vehicle by the retailer feed.
Check price2018 Lexus GS 450h Belts
5 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2018 Lexus GS 450h parts
Driveworks Poly Rib Belt Serpentine Belt 31.5 Long, 4 Rib Count, 315K4
In stock
$26.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Gates Micro-V Serpentine Drive Belt, K040315
In stock
$33.49
Listed as compatible with this vehicle by the retailer feed.
Check price
Dayco Poly Rib Belt Serpentine Belt 31.5 Long, 4 Rib Count, 5040315
In stock
$36.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Litens Accessory Drive Belt Tensioner - Original Equipment Quality, 999662A
In stock
$258.99
Listed as compatible with this vehicle by the retailer feed.
Check price
This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.