Hardware, Fasteners & Fittings for 2018 Kia Optima
1. Knuckle 
2. Knuckle 
3. Strut 
4. Shock 
5. Stabilizer Bar 
6. Stabilizer Bar 
7. Suspension Cross-member 
8. Strut Nut 
9. Shock Nut 
10. Suspension Cross-Member Nut 
11. Suspension Cross-Member Nut 
12. Suspension Cross-member Nut 
13. Suspension Cross-member Nut 
14. Shock Nut 
15. Suspension Cross-member 
16. Knuckle Assembly Nut 17. Lateral Arm Nut No.
Part # / Description / Price
Price
1
Knuckle Assembly 
Kia
Kia Positions: Left
Description: Optima. Left. With hybrid. Cadenza. 2017-20.
MSRP $473.40
$318.12
MSRP $473.40
$318.12
1
Knuckle Assembly Kia
Kia Positions: Right
Description: Optima. Right. With hybrid. Cadenza. 2017-20.
MSRP $431.55
$290.00
MSRP $431.55
$290.00
2
Knuckle Front Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with knuckle.
Description: Optima. Bushing. With hybrid. 2017-20.
MSRP $34.68
$24.14
MSRP $34.68
$24.14
3
Knuckle Assembly Rear Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with knuckle.
MSRP $75.63
$52.64
MSRP $75.63
$52.64
4
Knuckle Bolt Kia
Kia Positions: Left
Notes: PARTS: Part included with knuckle.
Description: Fwd, type 2. 2017-20. Awd without hybrid.
MSRP $6.50
$4.52
MSRP $6.50
$4.52
5
Upper Control Arm Kia
Kia Positions: Left
Description: Optima. Front. Left. Without hybrid.
MSRP $229.88
$154.48
MSRP $229.88
$154.48
5
Upper Control Arm Kia
Kia Positions: Right
Description: Optima. Front. Right. Without hybrid.
MSRP $294.50
$197.90
MSRP $294.50
$197.90
6
Upper Control Arm Front Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with upper control arm.
Description: Optima. Without hybrid.
MSRP $29.70
$20.67
MSRP $29.70
$20.67
8
Upper Control Arm Bolt Kia
Kia Positions: Left
Description: Fwd. Multi-link suspension. 2wd. With hybrid, inner. With hybrid, outer. Awd. Upper cntrl arm,bolt. To frame.
MSRP $12.35
$8.60
MSRP $12.35
$8.60
10
Lower Control Arm Washer Kia
Kia Positions: Left
Description: #1. Korea build, inner. 2wd. With hybrid. Korea build, outer. Fwd. Awd. Us build, outer. With self leveling suspension. With gt.
MSRP $1.28
$0.89
MSRP $1.28
$0.89
11
Lower Control Arm Nut Kia
Kia Positions: Left
Description: Awd. With self leveling suspension. 2wd. Outer. Without EV. upper. Rwd.
MSRP $2.32
$1.61
MSRP $2.32
$1.61
12
Lateral Arm Kia
Kia Positions: Left
Description: With hybrid. Optima Hybrid. Rear. Left. 2017-20. Cadenza. Korea Built Vehicle. Incl.Bushings. Assist Arm.
MSRP $128.15
$87.65
MSRP $128.15
$87.65
12
Upper Control Arm Kia
Kia Positions: Right
Description: Optima. Rear. Right. From 3/9/17. Without hybrid, from 03/10/2017.
MSRP $130.93
$89.56
MSRP $130.93
$89.56
13
Lateral Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with lateral arm.
Description: Without hybrid, from 03/10/2017. 2017-20.
MSRP $29.28
$20.38
MSRP $29.28
$20.38
14
Lateral Arm Adjust Bolt Kia
Kia Positions: Left
Description: Multi-link suspension. With hybrid. 2wd. Awd, to 08/25/2020. Trailing arm and lateral arm. Fwd.
MSRP $20.95
$14.58
MSRP $20.95
$14.58
16
Suspension Control Arm Washer Kia
Kia Positions: Left
Description: 4wd, 2011-13, #1. Without hybrid. Awd. Fwd. Inner.
MSRP $1.47
$1.02
MSRP $1.47
$1.02
17
Suspension Control Arm Nut Kia
Kia Positions: Left
Description: 2wd. Awd. Without hybrid. Us build. inner.
MSRP $7.87
$5.48
MSRP $7.87
$5.48
20
Lower Control Arm Kia
Kia Positions: Left
Description: Optima. Left. Without hybrid, from 03/17/2017. From 07/15/2016. Incl.Inner Bushing.
MSRP $171.70
$115.38
MSRP $171.70
$115.38
20
Lower Control Arm Kia
Kia Positions: Right
Description: Right. Without hybrid, from 03/17/2017. 2017-20. Cadenza. Optima Hybrid. Without hybrid, to 03/16/2017.
MSRP $169.27
$113.75
MSRP $169.27
$113.75
21
Lower Control Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with lower control arm.
Description: Optima. With hybrid. Cadenza. Left. 2017-20.
MSRP $40.77
$28.37
MSRP $40.77
$28.37
22
MSRP $26.47
$18.42
23
Lower Control Arm Adjust Cam Kia
Kia Positions: Rear
Description: Korea build. 2wd. Camshaft. 2014-16, to lower ctrl arm. With hybrid, to 11/29/2016. Without hybrid, to 02/27/2017. Awd, to 02/06/2017.
MSRP $12.02
$8.36
MSRP $12.02
$8.36
31
Trailing Arm Kia
Kia Positions: Left
Description: Without hybrid, from 03/10/2017. Optima. Left.
MSRP $168.45
$113.20
MSRP $168.45
$113.20
31
Trailing Arm Kia
Kia Positions: Right
Description: Without hybrid, from 03/10/2017. Without hybrid, to 03/09/2017. Cadenza. Right. Without epb. Optima Hybrid. With auto leveling. 2017-20, without auto level. Without leveling device.
MSRP $157.80
$107.94
MSRP $157.80
$107.94
32
Trailing Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with trailing arm.
Description: Without hybrid, from 03/10/2017. Cadenza. Left. 2017-20.
MSRP $96.85
$66.25
MSRP $96.85
$66.25
32
Trailing Arm Bushing Kia
Kia Positions: Right
Notes: PARTS: Part included with trailing arm.
Description: Without hybrid, from 03/10/2017. Cadenza. Right. 2017-20.
MSRP $96.85
$66.25
MSRP $96.85
$66.25
33
Trailing Arm Bolt Kia
Kia Positions: Left
Description: Awd. Multi-link suspension. With hybrid. Fwd. Torsion axle.
MSRP $9.82
$6.83
MSRP $9.82
$6.83
