Rear Suspension for 2012 Kia Optima
1. Cross-member 
2. Suspension Cross-member 
3. Suspension Cross-member Bolt 
4. Suspension Knuckle 
5. Suspension Sub-frame Cross-member 
6. Auto Level Control 
7. Front 
8. Trailing Arm 
9. Trailing Arm 
10. Knuckle Assembly Nut 
11. Knuckle Assembly Nut 
12. Knuckle Assembly Nut 
13. Lower Control Arm Nut 14. Suspension Cross-member Rear Bushing No.
Part # / Description / Price
Price
1
Cross-Member 
Kia
Kia Description: Optima. Korea built. From 4/6/12 to 6/3/13. Us build, from 4/05/12 to 9/11/12, from 4/05/12 to 9/11/12. Korea build. from 4/06/12 to 6/03/13.
MSRP $470.52
$316.19
MSRP $470.52
$316.19
1
Cross-Member Kia
Kia Description: Korea built. From 6/4/13. Korea build, from 6/04/13, from 6/04/13. Cadenza. 2014-16. Optima Hybrid. Fm 7/20/11. To 4/5/12. Korea build, to 4/05/12.
MSRP $514.88
$342.91
MSRP $514.88
$342.91
2
MSRP $18.30
$12.74
3
Suspension Knuckle Kia
Kia Positions: Left
Description: Korea build, 2.0L turbo. Optima. Korea built. 2.0l. Left. Usa built. 2.4l. US BUILD. 2.4L to 4/16/13.
MSRP $438.05
$294.37
MSRP $438.05
$294.37
3
Suspension Knuckle Kia
Kia Positions: Right
Description: Optima. Usa built. 2.0l. Right. Us build, 2.0L turbo without elec. Park brake. Usa built. 2.4l. US BUILD. 2.4L to 4/16/13.
MSRP $460.82
$309.67
MSRP $460.82
$309.67
4
Knuckle Upper Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with knuckle.
Description: Korea built. Rear. Korea build. Optima Hybrid. 2wd. 2014-16. Pillow bushing.
MSRP $26.48
$18.43
MSRP $26.48
$18.43
5
MSRP $79.62
$55.41
6
Lateral Arm Kia
Kia Positions: Left
Description: Korea build, 2.0L turbo. Optima. Usa built. 2.0l. Us build, 2.0L turbo. Incl.Bushings. Assist Arm.
MSRP $89.63
$61.31
MSRP $89.63
$61.31
6
Lateral Arm Kia
Kia Positions: Rear
Description: Rear. Korea build, 2.4L. Optima. Korea built. 2.4l. Usa built. Us build, all. Us build, 2.4L.
MSRP $106.32
$72.72
MSRP $106.32
$72.72
7
Lateral Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with lateral arm.
Description: Front. Korea build. Optima Hybrid.
MSRP $18.42
$12.82
MSRP $18.42
$12.82
8
Lateral Arm Adjust Bolt Kia
Kia Positions: Left
Description: Korea build. 2wd. Us build. 2014-16, to lower ctrl arm.
MSRP $25.77
$17.93
MSRP $25.77
$17.93
9
Lower Control Arm Adjust Cam Kia
Kia Positions: Left
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
11
Outer Tie Rod Washer Kia
Kia Positions: Left
Description: Korea built. Us built. With ev. 2016-18, 2.0L hybrid. 2019-20, hybrid only. Outer. 2.5L turbo.
MSRP $2.88
$2.01
MSRP $2.88
$2.01
12
Suspension Stabilizer Bar Link Nut Kia
Kia Positions: Left
Description: 2wd. With hybrid. Lower. 2014-16. Inner. Sedan 2010-13, hatchback 2011-13,. With ev, at frame.
MSRP $4.40
$3.06
MSRP $4.40
$3.06
12
Suspension Stabilizer Bar Link Nut Kia
Kia Positions: Inner
Description: Upper. 4wd. 2014-16. Sedan 2010-13, hatchback 2011-13,. Us build. inner. Us build. outer. Korea build. To 08/22/2016.
MSRP $3.58
$2.49
MSRP $3.58
$2.49
13
Outer Tie Rod Lock Nut Kia
Kia Positions: Left
Description: 2wd. 2014-15. Korea build. outer. Sedan 2010-13, hatchback 2011-13, hydraulic power steering. With hydraulic power steering. Us build, outer. Electric power steering.
MSRP $2.40
$1.67
MSRP $2.40
$1.67
13
Outer Tie Rod Lock Nut Kia
Kia Positions: Outer
Description: With ev. Outer. 2016-18, 2.0L hybrid. 2019-20, with hybrid.
MSRP $10.88
$7.57
MSRP $10.88
$7.57
14
Upper Control Arm Kia
Kia Positions: Left
Description: Korea build. Korea built. Optima Hybrid. Front. To 7/20/11.
MSRP $104.57
$71.52
MSRP $104.57
$71.52
15
Upper Control Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with upper control arm.
Description: Rear. Korea build. Optima Hybrid. Cadenza. 2014-16.
MSRP $28.58
$19.89
MSRP $28.58
$19.89
16
Upper Control Arm Bolt Kia
Kia Positions: Left
Description: 2wd. Korea build, inner. Awd. 5.0L. 4wd. Inner fm 7/20/11. 3.8L.
MSRP $15.78
$10.99
MSRP $15.78
$10.99
16
Lateral Arm Mount Bolt Kia
Kia Positions: Rear upper inner
Description: 2wd. Awd. Inner, to 7/20/11.
MSRP $17.00
$11.83
MSRP $17.00
$11.83
17
MSRP $17.00
$11.83
18
Upper Control Arm Washer Kia
Kia Positions: Left
Description: Us build. 2wd, 2011-13, #2. 4wd, 2011-13, #2. 5.0L. 3.8L. Korea build.
MSRP $8.88
$6.18
MSRP $8.88
$6.18
19
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
20
Lower Control Arm Kia
Kia Positions: Left
Notes: PARTS: Order by application.
Description: Korea build, with 2.0L turbo, from 8/25/10, with 2.0L turbo, from 8/25/10. Us build, 2.0L turbo. Optima. Left. 2.0l. From 08/25/2010. Incl.Bushings. Korea Built Vehicle. Incl.Inner Bushing. USA Built. Exc.16" Wheels.
MSRP $216.67
$145.60
MSRP $216.67
$145.60
21
Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with lower control arm. Order by application.
Description: Optima Hybrid. Cadenza. Us build, 17 & 18 wheel. Korea build, 17 wheel.
MSRP $36.53
$25.43
MSRP $36.53
$25.43
22
Lower Control Arm Damper Kia
Kia Positions: Left
Notes: PARTS: Part included with lower control arm. Order by application.
Description: Korea build. 2wd. 2014-16.
MSRP $79.22
$55.13
MSRP $79.22
$55.13
23
MSRP $26.47
$18.42
23
Lower Control Arm Rear Bolt Kia
Kia Positions: Front lower rearward
Description: Without hybrid. With ev. Upper. 2014-16. Sedan 2010-13, hatchback 2011-13,. Awd. Rwd. With gt. All wheel drive.
MSRP $11.88
$8.27
MSRP $11.88
$8.27
23
Lower Control Arm Bolt Kia
Kia Positions: Rear lower outer
Description: 2wd. Outer. 2014-16.
MSRP $14.93
$10.39
MSRP $14.93
$10.39
23
Lower Control Arm Front Bolt Kia
Kia Positions: Front lower forward
Description: With hybrid. 2014-16.
MSRP $9.92
$6.90
MSRP $9.92
$6.90
24
Lower Control Arm Plate Kia
Kia Positions: Left
Description: Korea build. 2wd. 2014-16, to upper ctrl arm.
MSRP $7.47
$5.20
MSRP $7.47
$5.20
25
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
28
Lower Insulator Kia
Kia Positions: Rear lower
Description: Us build, 2.4L, 17&18 wheel. 4wd. Optima. Korea built. 2.0l. Us build, 2.0L turbo. Korea build.
MSRP $39.02
$27.16
MSRP $39.02
$27.16
29
Trailing Arm Kia
Kia Positions: Left
Description: Optima. Korea built. 2.4l. Korea build. 2.4L. 2014-16, with elec park brake. Korea build, 2.0L turbo. Korea built. 2.0l. Cadenza. Left. Without leveling device.
MSRP $178.83
$120.18
MSRP $178.83
$120.18
29
Trailing Arm Kia
Kia Positions: Right
Description: Optima. Korea built. 2.4l. Korea build. 2.4L. 2014-16, without elec park brake, without auto level. Korea build, 2.0L turbo. Korea built. 2.0l. Cadenza. Right. With epb.
MSRP $148.02
$101.24
MSRP $148.02
$101.24
30
Trailing Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with trailing arm.
Description: Korea build. Cadenza. Left. 2014-16. Trailing.
MSRP $74.40
$51.78
MSRP $74.40
$51.78
30
Trailing Arm Bushing Kia
Kia Positions: Right
Notes: PARTS: Part included with trailing arm.
Description: Korea build. Cadenza. Right. 2014-16. Trailing.
MSRP $70.88
$49.33
MSRP $70.88
$49.33