2018 Kia Optima Suspension Parts

This table covers the cam bolts and plates used to set camber at the knuckle. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

18 Alignment Bolt / Camber Plate parts for the 2018 Kia Optima come from 8 brands — MOOG, DELPHI, MEVOTECH and 5 other brands. The "Popular" part is MOOG K90476. Every part fits all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4).

In the Daily Driver grade, MOOG, DELPHI, MEVOTECH and 1 other brand supply 12 parts: grouped for everyday commuting duty. A representative part number is MOOG K90476.

The Economy section lists 6 options from SKP, DORMAN, FVP and 1 other brand — the catalog's value-priced group. SKP SK100024 is listed in this group.

This table covers the adjusters used to set toe. Read more

2 Alignment Toe Adjuster parts for the 2018 Kia Optima come from 2 brands — ACDELCO and MOOG. Every part fits all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4).

This group includes ACDELCO 45L0073 and MOOG K100401.

This table covers the ball joints that articulate each control arm at the knuckle. Read more

21 Ball Joint parts for the 2018 Kia Optima come from 9 brands — MEVOTECH, DELPHI, MOOG and 6 other brands. The "Popular" part is DELPHI TC6817. 10 parts fit every engine; the other 11 are engine-specific.

Daily Driver: 10 parts, from DELPHI, MEVOTECH, MOOG and 2 other brands. A representative part number is DELPHI TC6817.

The Economy section: 9 options from BECK/ARNLEY, FVP, MEVOTECH and 2 other brands. BECK/ARNLEY 1018042 is listed in this group.

In the Premium grade, MEVOTECH supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is MEVOTECH TXMS90526.

This table covers the control arms that locate each hub relative to the chassis. Typical signs include clunks over bumps, a wander on the highway, or inner-edge tire wear. Get an alignment after any control-arm work, and inspect the ball joint and bushings that came with the arm. Read more

50 Control Arm parts for the 2018 Kia Optima come from 8 brands — MEVOTECH, DORMAN, DELPHI and 5 other brands. The "Popular" part is DELPHI TC4018. They are grouped as Daily Driver and Economy, with Daily Driver the largest group at 36 parts from DORMAN, DELPHI, MEVOTECH and 3 other brands.

This table covers the bushings pressed into each control arm. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

20 Control Arm Bushing parts for the 2018 Kia Optima come from 6 brands — MEVOTECH, MOOG, DORMAN and 3 other brands. The "Popular" part is DELPHI TD1656W. 13 parts fit every engine; the other 7 are engine-specific.

Daily Driver: 11 parts, from MEVOTECH, MOOG, DELPHI and 1 other brand. A representative part number is DELPHI TD1656W.

The Economy section: 9 options from DORMAN, FVP and MEVOTECH. DORMAN 540147 is listed in this group.

This table covers the shocks and struts that damp wheel motion. Typical signs include a nose that keeps bouncing, cupped tires, or fluid weeping down the body. Replace shocks or struts in axle pairs and renew the mounts if they are torn or collapsed. Read more

18 Shock / Strut parts for the 2018 Kia Optima come from 6 brands — MONROE, FCS, KYB and 3 other brands. The "Popular" part is FCS 346456. 3 parts fit every engine; the other 15 are engine-specific.

The Economy section: 4 options from MONROE, PRT and SENSEN. MONROE 210026 is listed in this group.

The Original Ride Quality section lists 14 options from FCS, MONROE, KYB and 1 other brand — grouped under the catalog's "Original Ride Quality" designation — the notes column spells out what sets them apart. FCS 346456 is listed in this group.

This table covers complete strut assemblies with the spring already installed. Read more

17 Shock / Strut & Coil Spring Assembly parts for the 2018 Kia Optima come from 5 brands — PRT, SENSEN, FCS and 2 other brands. The "Popular" part is FCS 1334069L.

The Economy section: 6 options from PRT and SENSEN. PRT 920706 is listed in this group.

The Original Ride Quality section: 9 options from FCS, TOP NOTCH and MONROE. FCS 1334069L is listed in this group.

2 further parts sit outside the graded sections, with the same engine-level match.

This table covers the Shock / Strut bellows. Read more

KYB supplies both parts for the 2018 Kia Optima. All of them fit every engine offered in the 2018 Optima.

Part numbers include KYB SB114 and KYB SB158.

This table covers the upper mounts (and bearings) a strut bolts through at the tower. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

12 Shock / Strut Mount parts are listed for the 2018 Kia Optima, from KYB, MEVOTECH, BECK/ARNLEY and 3 other brands. KYB SM5850 carries the "Popular" badge.

The Daily Driver section: 5 options from KYB, MEVOTECH, BECK/ARNLEY and 1 other brand. KYB SM5850 is listed in this group.

Economy: 2 parts, from DEA / MARMON RIDE CONTROL. A representative part number is DEA / MARMON RIDE CONTROL 4713705.

5 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the bushings that clamp the anti-roll bar to the chassis. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

6 Sway Bar Bushing parts for the 2018 Kia Optima come from 5 brands — MEVOTECH, MOOG, BECK/ARNLEY and 2 other brands. The "Popular" part is MEVOTECH MS908126. Every part fits all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4).

Daily Driver: 2 parts, from MEVOTECH and MOOG. A representative part number is MEVOTECH MS908126.

The Economy section: 4 options from BECK/ARNLEY, DORMAN, FVP and 1 other brand. BECK/ARNLEY 1017564 is listed in this group.

This group includes MEVOTECH MS908126, MOOG K202013 and BECK/ARNLEY 1017564 and the remaining parts above.

This table covers the links that connect the anti-roll bar to each control arm or strut. Typical signs include a clunk on one wheel over a driveway, or a rattle that goes away when you lean on the bar. Replace links in pairs; a seized stud often takes the bushing with it. Read more

51 Sway Bar Link parts for the 2018 Kia Optima come from 14 brands — MEVOTECH, SUSPENSIA, MOOG and 11 other brands. The "Popular" part is MOOG K750792. Daily Driver and Economy are all represented, and Daily Driver alone accounts for 31 parts.