Belts

146400181 - : Belt Molding Retainer Screw for Infiniti Image

Belt Molding Retainer Screw

Infiniti 0146400181
$2.53
MSRP $3.29
Save $0.76
23.1% Off
80821JJ50A - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 80821JJ50A
Coupe, convertible. convertible.
$229.06
MSRP $362.15
Save $133.09
36.7% Off
878249PF0A - : Seat Belt Height Adjuster for Infiniti Image

Seat Belt Height Adjuster

Infiniti 878249PF0A
Seat Belt Extender. To 12/2017.
$58.48
MSRP $88.60
Save $30.12
34% Off
878243JA0A - : Seat Belt Height Adjuster for Infiniti Image

Seat Belt Height Adjuster

Infiniti 878243JA0A
$37.83
MSRP $49.13
Save $11.30
23% Off
828355NA0A - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 828355NA0A
$71.87
MSRP $110.75
Save $38.88
35.1% Off
80834ZE00A - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 80834ZE00A
Belt w'strip.
$40.30
MSRP $56.36
Save $16.06
28.5% Off
808211BA0B - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 80821-1BA0B
$235.50
MSRP $372.33
Save $136.83
36.7% Off
80835ZE00A - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 80835ZE00A
Belt w'strip.
$46.98
MSRP $65.71
Save $18.73
28.5% Off
828351PM0B - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 828351PM0B
Q70L, Q70L luxe.
Backordered
808343JA0C - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 808343JA0C
$66.98
MSRP $103.20
Save $36.22
35.1% Off
828341LA0A - : Door Window Belt Weatherstrip for Infiniti Image

Door Window Belt Weatherstrip

Infiniti 828341LA0A
$101.29
MSRP $156.07
Save $54.78
35.1% Off

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Transfer Power Between Systems With INFINITI Belts

Engine belts transfer rotational power between the engine and accessory systems. They operate continuously while the vehicle is running and experience heat, tension, and movement during normal operation. At Douglas INFINITI, belt condition is commonly reviewed during scheduled maintenance. Proper belt function supports connected vehicle systems.

How INFINITI Belts Operate

Belts drive components such as alternators, air conditioning compressors, and other engine accessories. Each belt is designed around specific engine layouts, routing paths, and tension requirements. INFINITI models such as the Q50 and QX60 use belts engineered for their individual powertrains.

Why Engine Belts Wear Over Time

Constant movement and exposure to engine temperatures gradually affect belt materials. Cracks, fraying, glazing, and stretching can develop as belts age. Fluid contamination and environmental exposure may also contribute to deterioration.

OEM INFINITI Belt Specifications

Genuine INFINITI belts are designed to meet factory specifications for size, routing, and material requirements. Lower-priced aftermarket belts may vary in construction or fit. Proper belt installation supports related components like pulleys and brackets. Douglas INFINITI offers OEM belts designed for original vehicle compatibility.