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 $987.89 CAD
$652.01 CAD
MSRP $987.89 CAD
$652.01 CAD
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 $1,460.84 CAD
$964.15 CAD
MSRP $1,460.84 CAD
$964.15 CAD
2
MSRP $14.27 CAD
$9.93 CAD
3
Knuckle Kia
Kia Positions: Left
Description: Optima. Korea built. 2.4l. Left. Korea build. 2.4L. Usa built. 2.0l. Us build, 2.0L turbo without elec. Park brake.
MSRP $966.62 CAD
$637.97 CAD
MSRP $966.62 CAD
$637.97 CAD
3
Knuckle Kia
Kia Positions: Right
Description: Optima. Korea built. 2.4l. Right. Korea build. 2.4L. Usa built. 2.0l. Us build, 2.0L turbo without elec. Park brake.
MSRP $866.12 CAD
$571.64 CAD
MSRP $866.12 CAD
$571.64 CAD
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 $33.07 CAD
$23.01 CAD
MSRP $33.07 CAD
$23.01 CAD
5
Knuckle Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with knuckle.
MSRP $90.05 CAD
$61.59 CAD
MSRP $90.05 CAD
$61.59 CAD
6
Lateral Arm Kia
Kia Positions: Left
Description: Rear. Korea build, 2.4L. Optima. Korea built. 2.4l. Usa built. Us build, all. Us build, 2.4L.
MSRP $262.57 CAD
$176.44 CAD
MSRP $262.57 CAD
$176.44 CAD
7
Lateral Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with lateral arm.
Description: Front. Korea build. Optima Hybrid.
MSRP $45.00 CAD
$31.32 CAD
MSRP $45.00 CAD
$31.32 CAD
8
Lateral Arm Adjust Bolt Kia
Kia Positions: Left
Description: Korea build. 2wd. Us build. 2014-16, to lower ctrl arm.
MSRP $33.82 CAD
$23.54 CAD
MSRP $33.82 CAD
$23.54 CAD
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 $12.33 CAD
$8.58 CAD
MSRP $12.33 CAD
$8.58 CAD
10
MSRP $0.57 CAD
$0.39 CAD
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 $2.28 CAD
$1.59 CAD
MSRP $2.28 CAD
$1.59 CAD
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 $1.33 CAD
$0.93 CAD
MSRP $1.33 CAD
$0.93 CAD
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 $3.52 CAD
$2.45 CAD
MSRP $3.52 CAD
$2.45 CAD
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 $3.28 CAD
$2.29 CAD
MSRP $3.28 CAD
$2.29 CAD
13
Outer Tie Rod Lock Nut Kia
Kia Positions: Outer
Description: With ev. Outer. 2016-18, 2.0L hybrid. 2019-20, with hybrid.
MSRP $15.83 CAD
$11.02 CAD
MSRP $15.83 CAD
$11.02 CAD
14
Upper Control Arm Kia
Kia Positions: Left
Description: Korea build. Korea built. Optima Hybrid. Front. To 7/20/11.
MSRP $207.93 CAD
$139.73 CAD
MSRP $207.93 CAD
$139.73 CAD
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 $41.13 CAD
$28.63 CAD
MSRP $41.13 CAD
$28.63 CAD
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 $12.08 CAD
$8.41 CAD
MSRP $12.08 CAD
$8.41 CAD
16
Lateral Arm Mount Bolt Kia
Kia Positions: Rear upper inner
Description: 2wd. Awd. Inner, to 7/20/11.
MSRP $13.20 CAD
$9.19 CAD
MSRP $13.20 CAD
$9.19 CAD
17
MSRP $11.08 CAD
$7.71 CAD
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 $6.72 CAD
$4.67 CAD
MSRP $6.72 CAD
$4.67 CAD
19
Lower Control Arm Nut Kia
Kia Positions: Left
Description: Awd. With self leveling suspension. 2wd. Outer. Without EV. upper. Rwd.
MSRP $2.37 CAD
$1.65 CAD
MSRP $2.37 CAD
$1.65 CAD
20
Lower Control Arm Kia
Kia Positions: Right
Notes: PARTS: Order by application.
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 $577.08 CAD
$384.34 CAD
MSRP $577.08 CAD
$384.34 CAD
20
Lower Control Arm Kia
Kia Positions: Left
Notes: PARTS: Order by application.
Description: Optima. Korea built. Left. 2.4l. Us build, 2.4L, to 4/05/12. Korea build, from 8/25/10 to 4/04/12, 2.4L, from 8/25/10 to 4/04/12, 2.4L. Incl.Bushings.
MSRP $546.90 CAD
$363.50 CAD
MSRP $546.90 CAD
$363.50 CAD
20
Lower Control Arm Kia
Kia Positions: Right
Notes: PARTS: Order by application.
Description: Optima. Korea built. Right. 2.4l. Korea build, from 8/25/10 to 4/04/12, 2.4L, from 8/25/10 to 4/04/12, 2.4L. Incl.Bushings.
MSRP $546.90 CAD
$363.50 CAD
MSRP $546.90 CAD
$363.50 CAD
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 $55.05 CAD
$38.31 CAD
MSRP $55.05 CAD
$38.31 CAD
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 $115.87 CAD
$79.25 CAD
MSRP $115.87 CAD
$79.25 CAD
23
MSRP $29.33 CAD
$20.42 CAD
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 $25.38 CAD
$17.67 CAD
MSRP $25.38 CAD
$17.67 CAD
23
Lower Control Arm Bolt Kia
Kia Positions: Rear lower outer
Description: 2wd. Outer. 2014-16.
MSRP $22.77 CAD
$15.85 CAD
MSRP $22.77 CAD
$15.85 CAD
23
Lower Control Arm Front Bolt Kia
Kia Positions: Front lower forward
Description: With hybrid. 2014-16.
MSRP $13.20 CAD
$9.19 CAD
MSRP $13.20 CAD
$9.19 CAD
24
Lower Control Arm Plate Kia
Kia Positions: Left
Description: Korea build. 2wd. 2014-16, to upper ctrl arm.
MSRP $6.83 CAD
$4.76 CAD
MSRP $6.83 CAD
$4.76 CAD
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 $0.73 CAD
$0.51 CAD
MSRP $0.73 CAD
$0.51 CAD
28
Lower Pad Kia
Kia Positions: Rear lower
Description: 4wd. Optima. Korea built. 2.4l. Korea build. 2.4L. Us build. 2.4L.
MSRP $21.13 CAD
$14.71 CAD
MSRP $21.13 CAD
$14.71 CAD
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 $263.25 CAD
$176.90 CAD
MSRP $263.25 CAD
$176.90 CAD
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 $263.25 CAD
$176.90 CAD
MSRP $263.25 CAD
$176.90 CAD
30
Trailing Arm Bushing Kia
Kia Positions: Left
Notes: PARTS: Part included with trailing arm.
Description: Korea build. Cadenza. Left. 2014-16. Trailing.
MSRP $105.27 CAD
$71.87 CAD
MSRP $105.27 CAD
$71.87 CAD
30
Trailing Arm Bushing Kia
Kia Positions: Right
Notes: PARTS: Part included with trailing arm.
Description: Korea build. Cadenza. Right. 2014-16. Trailing.
MSRP $105.27 CAD
$71.87 CAD
MSRP $105.27 CAD
$71.87 CAD