Belts

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868849NA8B - : Belt Assembly-Tongue, Pretension Front Right-hand for Infiniti Image
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Belt Assembly-Tongue, Pretension Front Right-hand

Infiniti 868849NA8B
$631.12
MSRP $1,015.47
Save $384.35
37.8% Off
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868845NS8B - : Belt Assembly-Tongue, Pretension Front Right-hand for Infiniti Image
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Belt Assembly-Tongue, Pretension Front Right-hand

Infiniti 868845NS8B
$316.35
MSRP $500.16
Save $183.81
36.8% Off
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868859NA8A - : Belt Assembly-Tongue, Pre-tensioner Front Left-hand for Infiniti Image
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Belt Assembly-Tongue, Pre-tensioner Front Left-hand

Infiniti 868859NA8A
$605.94
MSRP $974.98
Save $369.04
37.9% Off
888446SJ8A - : Belt Assembly-Rear Seat Tongue, Right-hand for Infiniti Image

Belt Assembly-Rear Seat Tongue, Right-hand

Infiniti 888446SJ8A
$101.79
MSRP $156.84
Save $55.05
35.1% Off
868435ZW0C - : Belt Assembly-Buckle, Front Seat Left-hand for Infiniti Image

Belt Assembly-Buckle, Front Seat Left-hand

Infiniti 868435ZW0C
$75.06
MSRP $115.66
Save $40.60
35.1% Off
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868853JM8B - : Belt Assembly-Tongue, Pre-tensioner Front Left-hand for Infiniti Image
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Belt Assembly-Tongue, Pre-tensioner Front Left-hand

Infiniti 868853JM8B
$605.97
MSRP $975.03
Save $369.06
37.9% Off
Pickup only
888856TA8A - : Belt Assembly-Rear Seat Tongue, Left-hand for Infiniti Image
Pickup only

Belt Assembly-Rear Seat Tongue, Left-hand

Infiniti 888856TA8A
$163.07
MSRP $257.82
Save $94.75
36.8% 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.