2011 Kia Optima Belt Drive Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 82 belt drive parts for the 2011 Kia Optima, across 5 part types, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Every part shows its brand, manufacturer part number and fitment notes.

The belt drive system on the 2011 Kia Optima spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. The largest groups are Belt Tensioner (29 parts), Belt (26 parts) and Idler Pulley (22 parts). The other 2 part types cover the remaining 5 parts.

Belt

Economy

Brand Part Number Markets Notes Buy
GATES Popular Fits: 2.0L L4 Turbocharged K060837
🇺🇸 US 🇨🇦 CA
Micro-V
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CONTINENTAL Fits: 2.4L L4 840K6MK
🇺🇸 US 🇨🇦 CA
Mileage MakerSerpentine
Fitment notes — CONTINENTAL 840K6MK
Mileage MakerSerpentineMulti V-Belt
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DAYCO Fits: 2.0L L4 Turbocharged 5060835DR
🇺🇸 US 🇨🇦 CA
Drive Rite®Serpentine
Fitment notes — DAYCO 5060835DR
Drive Rite®Serpentine
Main Drive
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DAYCO Fits: 2.4L L4 5060840DR
🇺🇸 US 🇨🇦 CA
Drive Rite®Serpentine
Fitment notes — DAYCO 5060840DR
Drive Rite®Serpentine
Main Drive
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FVP Fits: 2.0L L4 Turbocharged 835K6
🇺🇸 US 🇨🇦 CA
Multi V-BeltSerpentine
Fitment notes — FVP 835K6
Multi V-BeltSerpentine
Accessory Drive
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FVP Fits: 2.4L L4 840K6
🇺🇸 US 🇨🇦 CA
Multi V-BeltSerpentine
Fitment notes — FVP 840K6
Multi V-BeltSerpentine
Accessory Drive
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GATES Fits: 2.4L L4 K060840
🇺🇸 US 🇨🇦 CA
Micro-V
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ROADMAX Fits: 2.0L L4 Turbocharged 6K837AP
🇺🇸 US 🇨🇦 CA
V-RibbedSerpentine
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 2.0L L4 Turbocharged 6K837
🇺🇸 US 🇨🇦 CA
Professional / GoldSerpentine
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BANDO Popular Fits: 2.4L L4 6PK2135
🇺🇸 US 🇨🇦 CA
Rib Quantity: 6Inch Number: 841K6
Fitment notes — BANDO 6PK2135
Rib Quantity: 6Inch Number: 841K6
Air ConditioningTo 03/28/2011
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DAYCO Popular Fits: 2.4L L4 5060840
🇺🇸 US 🇨🇦 CA
Serpentine
Fitment notes — DAYCO 5060840
Serpentine
Main Drive
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ACDELCO Fits: 2.4L L4 6K840
🇺🇸 US 🇨🇦 CA
Professional / GoldSerpentine
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BANDO Fits: 2.0L L4 Turbocharged 6PK2125
🇺🇸 US 🇨🇦 CA
Rib Quantity: 6Inch Number: 837K6
Fitment notes — BANDO 6PK2125
Rib Quantity: 6Inch Number: 837K6
Accessory Drive
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BANDO Fits: 2.4L L4 6PK2130
🇺🇸 US 🇨🇦 CA
Rib Quantity: 6Inch Number: 840K6
Fitment notes — BANDO 6PK2130
Rib Quantity: 6Inch Number: 840K6
Air Conditioning
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CONTINENTAL Fits: 2.0L L4 Turbocharged 4060837
🇺🇸 US 🇨🇦 CA
Multi V-BeltSerpentine
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CONTINENTAL Fits: 2.0L L4 Turbocharged 6PK2125
🇺🇸 US 🇨🇦 CA
Metric LineSerpentine
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CONTINENTAL Fits: 2.4L L4 4060840
🇺🇸 US 🇨🇦 CA
Multi V-BeltSerpentine
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DAYCO Fits: 2.0L L4 Turbocharged 5060835
🇺🇸 US 🇨🇦 CA
Serpentine
Fitment notes — DAYCO 5060835
Serpentine
Main Drive
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Brand Part Number Markets Notes Buy
BANDO Popular Fits: 2.4L L4 ELECTRIC/GAS 7PK970
🇺🇸 US
Rib Quantity: 7
Fitment notes — BANDO 7PK970
Rib Quantity: 7
Alternator
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CONTINENTAL Popular Fits: 2.4L L4 ELECTRIC/GAS 4070381F
🇺🇸 US
Multi V-Belt Reinforced BeltSerpentine
Fitment notes — CONTINENTAL 4070381F
Multi V-Belt Reinforced BeltSerpentine
Alternator
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CONTINENTAL Fits: 2.4L L4 ELECTRIC/GAS 4030310S
🇺🇸 US
Multi V-Belt Stretch Belt
Fitment notes — CONTINENTAL 4030310S
Multi V-Belt Stretch Belt
Water Pump
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DAYCO Fits: 2.4L L4 ELECTRIC/GAS 3PK784EE
🇺🇸 US
ELA® Stretch BeltSerpentine
Fitment notes — DAYCO 3PK784EE
ELA® Stretch BeltSerpentine
Water PumpRequires Belt Installation Tool # 93875
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DAYCO Fits: 2.4L L4 ELECTRIC/GAS A070382
🇺🇸 US
Serpentine
Fitment notes — DAYCO A070382
Serpentine
Main DriveAramid Cord Belt
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GATES Fits: 2.4L L4 ELECTRIC/GAS K070381EMD
🇺🇸 US
E-Start Micro-V
Fitment notes — GATES K070381EMD
E-Start Micro-V
Alternator
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GATES Fits: 2.4L L4 ELECTRIC/GAS K030308SF
🇺🇸 US
Premium OE Stretch Fit Micro-V BeltRequires Installation Tool
Fitment notes — GATES K030308SF
Premium OE Stretch Fit Micro-V BeltRequires Installation Tool
Water Pump
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GATES Fits: 2.4L L4 ELECTRIC/GAS K070381EST
🇺🇸 US
E-Start Micro-V
Fitment notes — GATES K070381EST
E-Start Micro-V
Alternator
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This table covers the serpentine and accessory belts that drive the front accessories. Typical signs include squeal on cold start, cracks across the ribs, or glazing on the back of the belt. A new belt on a worn tensioner will squeal within weeks — spin the idlers by hand while the belt is off.

Belt Removal / Installation Tool

Brand Part Number Markets Notes Buy
DAYCO Fits: 2.4L L4 ELECTRIC/GAS 93875
🇺🇸 US 🇨🇦 CA
For Water Pump Belt
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This table covers the Belt Removal / Installation tools. This is a service tool, not a wear part — match the application in the notes.

Belt Tensioner

Economy

Brand Part Number Markets Notes Buy
CLOYES Fits: all 2011 Optima engines B20040
🇺🇸 US 🇨🇦 CA
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DORMAN Fits: 2.0L L4 Turbocharged, 2.4L L4 419327
🇺🇸 US 🇨🇦 CA
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SKP Fits: 2.0L L4 Turbocharged, 2.4L L4 SK89618
🇺🇸 US 🇨🇦 CA
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Kit

Brand Part Number Markets Notes Buy
ACDELCO Fits: 2.4L L4 ACK060840
🇺🇸 US 🇨🇦 CA
Professional / GoldKit
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CLOYES Fits: 2.4L L4 B40041
🇺🇸 US 🇨🇦 CA
Kit
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CONTINENTAL Fits: 2.0L L4 Turbocharged K49428B
🇺🇸 US 🇨🇦 CA
Includes Poly-V, Tensioner Assembly and Tensioner PulleyKit
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CONTINENTAL Fits: 2.4L L4 K49428
🇺🇸 US 🇨🇦 CA
Includes Poly-V, Tensioner Assembly and Idler PulleysKit
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DAYCO Fits: 2.0L L4 Turbocharged 5060835K1
🇺🇸 US 🇨🇦 CA
KitIncludes: Serpentine Belt, 2 Pulleys, and Tensioner
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DAYCO Fits: 2.0L L4 Turbocharged KIT431BCK
🇺🇸 US 🇨🇦 CA
Kit
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DAYCO Fits: 2.4L L4 5060840K3
🇺🇸 US 🇨🇦 CA
KitIncludes: Serpentine Belt, 2 Pulleys, and Tensioner
Fitment notes — DAYCO 5060840K3
KitIncludes: Serpentine Belt, 2 Pulleys, and Tensioner
Accessory Drive
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DAYCO Fits: 2.4L L4 KIT438BCK
🇺🇸 US 🇨🇦 CA
Kit
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GATES Fits: 2.0L L4 Turbocharged 90K39071B
🇺🇸 US 🇨🇦 CA
KitIncludes: Belt, Tensioner, 2 Idlers
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GATES Fits: 2.4L L4 90K39071
🇺🇸 US 🇨🇦 CA
KitIncludes: Belt, Tensioner, 2 Idlers
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Standard Replacement

Brand Part Number Markets Notes Buy
CONTINENTAL Popular Fits: 2.0L L4 Turbocharged, 2.4L L4 49428
🇺🇸 US 🇨🇦 CA
Multi-V or Smooth Pulley
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DAYCO Popular Fits: 2.0L L4 Turbocharged, 2.4L L4 89618
🇺🇸 US 🇨🇦 CA
Pulley 1 Diameter: 65 mm
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GATES Popular Fits: 2.0L L4 Turbocharged, 2.4L L4 39071
🇺🇸 US 🇨🇦 CA
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GATES Popular Fits: 2.4L L4 ELECTRIC/GAS 38780
🇺🇸 US
Alternator - Left Side
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LITENS Popular Fits: 2.0L L4 Turbocharged, 2.4L L4 999220A
🇺🇸 US 🇨🇦 CA
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LITENS Popular Fits: 2.4L L4 ELECTRIC/GAS 999693A
🇺🇸 US
OuterOE# 25281-2G663 (Clockwise arrow On part)
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ACDELCO Fits: 2.0L L4 Turbocharged, 2.4L L4 39071
🇺🇸 US 🇨🇦 CA
Professional / Gold
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ACKOJA Fits: 2.0L L4 Turbocharged, 2.4L L4 A529704
🇺🇸 US 🇨🇦 CA
with OE No. 252822G000
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ACKOJA Fits: all 2011 Optima engines A520226
🇺🇸 US 🇨🇦 CA
with OE No. 2528125000
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DAYCO Fits: 2.4L L4 ELECTRIC/GAS 89745
🇺🇸 US
Right
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DAYCO Fits: 2.4L L4 ELECTRIC/GAS 89746
🇺🇸 US
Left
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GATES Fits: 2.4L L4 ELECTRIC/GAS 38781
🇺🇸 US
Alternator Side
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HYUNDAI Fits: all 2011 Optima engines 2528125000
🇺🇸 US 🇨🇦 CA
To 09/22/2014
Fitment notes — HYUNDAI 2528125000
To 09/22/2014
To 12/1/13
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HYUNDAI Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS 252812G663
🇺🇸 US 🇨🇦 CA
Outer
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INA Fits: 2.0L L4 Turbocharged, 2.4L L4 FT40430
🇺🇸 US 🇨🇦 CA
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LITENS Fits: 2.4L L4 ELECTRIC/GAS 999692A
🇺🇸 US
InnerOE# 25281-2G652 / 25281-2G653 (Counterclockwise arrow On part)
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This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely.

Idler Pulley

Economy

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 2.4L L4 ELECTRIC/GAS, 2.4L L4 419699
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — DORMAN 419699
Smooth
Lower
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SKP Popular Fits: 2.4L L4 SK89133
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — SKP SK89133
Smooth
Lower
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SKP Popular Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS SK36307
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — SKP SK36307
Smooth
Lower
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SKP Fits: 2.4L L4 SK36443
🇺🇸 US 🇨🇦 CA
Grooved
Fitment notes — SKP SK36443
Grooved
Upper
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ÜRO PARTS Fits: 2.4L L4 11287549557
🇺🇸 US 🇨🇦 CA
Lower
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Standard Replacement

Brand Part Number Markets Notes Buy
DAYCO Popular Fits: 2.4L L4 89133
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — DAYCO 89133
Smooth
Lower
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GATES Popular Fits: 2.4L L4 36307
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — GATES 36307
Smooth
Lower
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LITENS Popular Fits: 2.4L L4 900540A
🇺🇸 US 🇨🇦 CA
Grooved
Fitment notes — LITENS 900540A
Grooved
Upper
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ACDELCO Fits: 2.4L L4 36443
🇺🇸 US 🇨🇦 CA
Professional / GoldGrooved
Fitment notes — ACDELCO 36443
Professional / GoldGrooved
Upper
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ACDELCO Fits: 2.4L L4 36307
🇺🇸 US 🇨🇦 CA
GoldSmooth
Fitment notes — ACDELCO 36307
GoldSmooth
Lower
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CONTINENTAL Fits: 2.4L L4 49193
🇺🇸 US 🇨🇦 CA
SmoothIncludes Hardware
Fitment notes — CONTINENTAL 49193
SmoothIncludes Hardware
Lower
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CONTINENTAL Fits: 2.4L L4 50016
🇺🇸 US 🇨🇦 CA
GroovedGrooved, Includes Hardware
Fitment notes — CONTINENTAL 50016
GroovedGrooved, Includes Hardware
Upper
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DAYCO Fits: 2.4L L4 89095
🇺🇸 US 🇨🇦 CA
Grooved
Fitment notes — DAYCO 89095
Grooved
Upper
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DAYCO Fits: 2.4L L4 89577
🇺🇸 US 🇨🇦 CA
Grooved
Fitment notes — DAYCO 89577
Grooved
Upper
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FOUR SEASONS Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS 45025
🇺🇸 US 🇨🇦 CA
Smooth
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GATES Fits: 2.4L L4 36443
🇺🇸 US 🇨🇦 CA
GroovedFlanged
Fitment notes — GATES 36443
GroovedFlanged
Upper
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HAYDEN Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS 5025
🇺🇸 US 🇨🇦 CA
Smooth
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INA Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS FP05561
🇺🇸 US 🇨🇦 CA
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INA Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS FP06201
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — INA FP06201
Smooth
Lower
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LITENS Fits: 2.4L L4 900903A
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — LITENS 900903A
Smooth
Lower
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LITENS Fits: 2.4L L4 ELECTRIC/GAS 900712A
🇺🇸 US
Grooved
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Brand Part Number Markets Notes Buy
ACKOJA Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS A520220
🇺🇸 US 🇨🇦 CA
with Dual Automatic A/CFrom 12/31/2010
Fitment notes — ACKOJA A520220
with Dual Automatic A/CFrom 12/31/2010with OE No. 2528725110
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This table covers the idler pulleys the belt wraps around. Typical signs include a chirp that follows engine speed, or a pulley that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for.

Tensioner Pulley

Economy

Brand Part Number Markets Notes Buy
SKP Fits: 2.4L L4 SK89161
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — SKP SK89161
Smooth
Polymer
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Standard Replacement

Brand Part Number Markets Notes Buy
CONTINENTAL Fits: 2.4L L4 50113
🇺🇸 US 🇨🇦 CA
Smooth
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DAYCO Fits: 2.4L L4 89161
🇺🇸 US 🇨🇦 CA
Smooth
Fitment notes — DAYCO 89161
Smooth
Polymer
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LITENS Fits: 2.4L L4 900713A
🇺🇸 US 🇨🇦 CA
Smooth
View on
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This table covers the pulleys on the tensioner arm. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.

Buying Belt Drive Parts for a 2011 Kia Optima

On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.

  • Match the engine first. Some belt drive parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Belt Tensioner and Belt .

Frequently Asked Questions

How many belt drive parts fit the 2011 Kia Optima?

Our catalog currently lists 82 belt drive parts for the 2011 Kia Optima across 5 subcategories and 17 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.

Do belt drive parts differ between 2011 Kia Optima engines?

Some do. 3 parts fit every engine; the other 79 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of belt drive problems on a 2011 Kia Optima?

Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2011 Kia Optima was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2011 Kia Optima?

First match the engine — each row shows which engine(s) the part fits. Then a new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2011 Kia Optima

Belt Drive Parts for Other Kia Optima Years

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