2018 Ram 4500 Suspension Parts

This table covers the Alignment Thrust plates. 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

This group shows a single part: MOOG K100179.

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

24 Ball Joint parts for the 2018 Ram 4500 come from 9 brands — MEVOTECH, DELPHI, MOOG and 6 other brands. The "Popular" part is DORMAN 539959.

In the Daily Driver grade, DELPHI, MOOG, DORMAN and 3 other brands supply 16 parts: grouped for everyday commuting duty. A representative part number is DORMAN 539959.

The Economy section lists 6 options from QUICK STEER, SKP, MEVOTECH and 1 other brand — the catalog's value-priced group. MEVOTECH GS25520 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 TXMS25520.

This table covers the bump stops that limit suspension travel. Read more

5 Bump Stop parts are listed for the 2018 Ram 4500, from MOPAR, FAIRCHILD, DORMAN and 1 other brand. FAIRCHILD D4135 carries the "Popular" badge.

The Daily Driver section: 3 options from MOPAR and FAIRCHILD. FAIRCHILD D4135 is listed in this group.

Economy: 2 parts, from DORMAN and ULTRA-POWER. A representative part number is DORMAN 523258.

This group includes FAIRCHILD D4135, MOPAR 52060428AB and MOPAR 52855637AB and the remaining parts above.

This table covers the coil springs that carry vehicle weight at each corner. Typical signs include a sagging corner, a clunk through the spring, or a broken coil that you can see from the wheel well. Replace springs in axle pairs and inspect the seats and isolators while the spring is out. Read more

8 Coil Spring parts are listed for the 2018 Ram 4500, from DORMAN, DAYTON, HUSKY SPRING and 1 other brand. DAYTON 350886XHD carries the "Popular" badge.

The Daily Driver section: 1 option from MOPAR. MOPAR 52855596AD is listed in this group.

The Heavy Duty section lists 3 options from DAYTON and DORMAN — rated for severe service. DAYTON 350886XHD is listed in this group.

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

Listed part numbers: DAYTON 350886XHD, MOPAR 52855596AD and DORMAN 929905, plus the other parts above.

This table covers the rubber and polyurethane isolators that seat coil springs. Typical signs include a squeak from the spring pocket, or a spring that has walked off its seat. Replace the isolator whenever the spring is out — a crushed seat will noise a brand-new spring. Read more

This group shows a single part: MOPAR 52855638AB.

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

8 Control Arm parts for the 2018 Ram 4500 come from 4 brands — MEVOTECH, MOPAR, DORMAN and 1 other brand. The "Popular" part is DORMAN 526883.

Daily Driver: 5 parts, from MEVOTECH, MOPAR and DORMAN. A representative part number is DORMAN 526883.

The Economy section: 3 options from MEVOTECH and SKP. MEVOTECH GS251145 is listed in this group.

Part numbers include DORMAN 526883, MEVOTECH CMS251145 and MEVOTECH CMS251149, among others listed above.

This table covers the Leaf Helper springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

4 Leaf Helper Spring parts for the 2018 Ram 4500 come from 3 brands — HUSKY SPRING, DAYTON and DORMAN.

This group includes DAYTON 341681 and the remaining parts above.

This table covers the leaf springs that locate and support the axle. Read more

8 Leaf Spring parts for the 2018 Ram 4500 come from 3 brands — DAYTON, HUSKY SPRING and DORMAN. The "Popular" part is DAYTON 341549HD.

Daily Driver: 4 parts, from DAYTON. A representative part number is DAYTON SXL349.

Heavy Duty: 4 parts, from DAYTON, HUSKY SPRING and DORMAN. A representative part number is DAYTON 341549HD.

This group includes DAYTON 341549HD, DAYTON SXL349 and DAYTON SXL3411 and the remaining parts above.

This table covers the Leaf Spring bolts. Read more

5 Leaf Spring Bolt parts are listed for the 2018 Ram 4500, from HUSKY SPRING and DORMAN. HUSKY SPRING SHB5855 carries the "Popular" badge.

Part numbers include HUSKY SPRING SHB5855, DORMAN 929784 and DORMAN 929783, among others listed above.

This table covers the Leaf Spring bushings. 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

2 Leaf Spring Bushing parts for the 2018 Ram 4500 come from DAYTON.

Part numbers include DAYTON RB273 and DAYTON RB310.

This table covers the shackles that let a leaf spring lengthen as it flexes. Read more

2 Leaf Spring Shackle parts are listed for the 2018 Ram 4500, from DORMAN and MOPAR.

This group includes DORMAN 722235 and MOPAR 52855648AE.

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

8 Shock / Strut parts for the 2018 Ram 4500 come from 5 brands — MONROE, FCS, MOPAR and 2 other brands. The "Popular" part is MONROE 65547.

The Economy section: 1 option from PRT. PRT 932701 is listed in this group.

Heavy Duty: 3 parts, from MONROE and GABRIEL. A representative part number is MONROE 65547.

The Original Ride Quality section lists 4 options from FCS and MOPAR — grouped under the catalog's "Original Ride Quality" designation — the notes column spells out what sets them apart. FCS 347546 is listed in this group.

This group includes MONROE 65547, PRT 932701 and MONROE 65164 and the remaining parts above.

This table covers the Shock bushings. 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

MOPAR supplies both parts for the 2018 Ram 4500.

This group includes MOPAR 68157184AA and MOPAR 68157180AA.

This table covers the Sway Bar assemblies. Read more

7 Sway Bar Assembly parts for the 2018 Ram 4500 come from MOPAR.

Listed part numbers: MOPAR 68191447AA, MOPAR 68192506AA and MOPAR 68191327AA, plus the other parts above.

This table covers the brackets that mount the Sway Bar. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

2 Sway Bar Bracket parts for the 2018 Ram 4500 come from MOPAR.

Listed part numbers: MOPAR 68192536AA and MOPAR 68192537AA.

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 Ram 4500 come from 3 brands — MOOG, MOPAR and DELPHI. The "Popular" part is DELPHI TD4184W.

Part numbers include DELPHI TD4184W, MOOG K202128 and MOOG K202130, among others listed 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

20 Sway Bar Link parts for the 2018 Ram 4500 come from 10 brands — MEVOTECH, MOPAR, ACDELCO and 7 other brands. The "Popular" part is ACDELCO 45G1825.

Daily Driver: 13 parts, from MOPAR, ACDELCO, MEVOTECH and 3 other brands. A representative part number is ACDELCO 45G1825.

The Economy section: 6 options from MEVOTECH, ULTRA-POWER, FAMOUS BRAND and 2 other brands. ULTRA-POWER K750395 is listed in this group.

Premium: 1 part, from MEVOTECH. A representative part number is MEVOTECH TXMS258147.

This table covers the track bars that locate the axle laterally. Read more

4 Track Bar parts are listed for the 2018 Ram 4500, from MOPAR, DORMAN and DELPHI.

The Daily Driver section: 2 options from MOPAR. MOPAR 68248930AA is listed in this group.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 537704.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: MOPAR 68248930AA, MOPAR 68248931AA and DORMAN 537704, plus the other parts above.

This table covers the Track Bar bushings. 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

4 Track Bar Bushing parts are listed for the 2018 Ram 4500, from MEVOTECH, MOOG and DORMAN.

The Daily Driver section: 2 options from MEVOTECH and MOOG. MEVOTECH MS25445 is listed in this group.

Economy: 2 parts, from DORMAN and MEVOTECH. A representative part number is DORMAN 540788.

Part numbers include MEVOTECH MS25445, MOOG K201794 and DORMAN 540788, among others listed above.