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
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: Rear
Description: Korea built. Rear. Korea build. Optima Hybrid. 2wd. 2014-16. Pillow bushing.
MSRP $26.48
$18.43
MSRP $26.48
$18.43
4
Suspension Knuckle Bushing Kia
Kia Positions: Rear
Description: Korea built. Front. 4wd, 2011-13. Optima Hybrid. Bushing. Korea build.
MSRP $11.03
$7.68
MSRP $11.03
$7.68
8
Lateral Arm Adjust Bolt Kia
Kia Description: Korea build. 2wd. Us build. 2014-16, to lower ctrl arm.
MSRP $25.77
$17.93
MSRP $25.77
$17.93
10
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
11
Outer Tie Rod Washer Kia
Kia Positions: Outer
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: 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
14
Upper Control Arm Kia
Kia Positions: Left
Description: Sportage. 2wd. Us build. Fm 7/20/11. Usa built. 2014-16. Cadenza. Korea built. Optima Hybrid. Front.
MSRP $104.29
$71.33
MSRP $104.29
$71.33
17
Ball Joint Bolt Kia
Kia Positions: Outer
Description: #2. Without hybrid. Rear wheel drive. Without gt. Outer. All wheel drive.
MSRP $3.60
$2.51
MSRP $3.60
$2.51
17
MSRP $14.93
$10.39
17
MSRP $17.00
$11.83
20
Lower Control Arm Kia
Kia Positions: Left
Description: Usa built. From 4/6/12. Us build, 2.4L, from 4/06/12. Korea build, from 4/05/12, 2.4L, from 4/05/12, 2.4L. Optima Hybrid. Left. Incl.Inner Bushing.
MSRP $327.95
$220.38
MSRP $327.95
$220.38
20
Lower Control Arm Kia
Kia Positions: Right
Description: Optima. Usa built. Right. 2.4l. From 4/6/12. Us build, 2.4L, from 4/06/12. Incl.Inner Bushing.
MSRP $356.35
$239.47
MSRP $356.35
$239.47
22
MSRP $79.22
$55.13
23
MSRP $9.78
$6.81
23
MSRP $26.47
$18.42
24
Lower Control Arm Plate Kia
Kia Positions: Rear upper
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: Outer
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
25
Upper Control Arm Washer Kia
Kia 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
26
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
26
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
26
Suspension Control Arm Nut Kia
Kia Positions: Rear lower inner
Description: With hybrid. Inner.
MSRP $5.65
$3.93
MSRP $5.65
$3.93
29
Trailing Arm Kia
Kia Positions: Left
Description: Optima. Left. Us build. 2.4L. USA Built. Incl.Bushing. Trailing.
MSRP $171.52
$115.26
MSRP $171.52
$115.26
29
Trailing Arm Kia
Kia Positions: Right
Description: Optima. Usa built. 2.4l. Right. Us build. 2.4L. Incl.Bushing. Trailing.
MSRP $170.00
$114.24
MSRP $170.00
$114.24
30
Trailing Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with trailing arm.
Description: Us build.
MSRP $105.95
$72.47
MSRP $105.95
$72.47
30
Trailing Arm Bushing Kia
Kia Positions: Right
Notes: PARTS: Part included with trailing arm.
Description: Us build.
MSRP $105.95
$72.47
MSRP $105.95
$72.47
30
MSRP $70.25
$48.89
30
MSRP $70.90
$49.35
30
Trailing Arm Bushing Kia
Kia Positions: Rear left
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: Rear right
Description: Korea build. Cadenza. Right. 2014-16. Trailing.
MSRP $70.88
$49.33
MSRP $70.88
$49.33