Quick Search Quick Search
We are Here to Help! Call a Parts Expert!
Caterpillar Heavy Equipment Parts

Caterpillar Heavy Equipment Parts

New Aftermarket, Used and Rebuilt Caterpillar Parts

AMS Parts prides itself on not only providing quality new, used and rebuilt Cat replacement parts but doing it at the lowest market price. When our customers feel good about a part purchase, we feel good, too. Our goal is to become your go-to Cat parts supplier by developing a relationship of trust, quality and savings. Caterpillar is known for its...more innovative equipment that increase both machine efficiency and operator productivity. Whether leading the industry with over 35 types of work tool attachments or their commitment to designing cleaner and quieter machines, Cat is one of the best in the business. As an owner of a Cat machine, we believe you care about efficiency and productivity, too. When it comes to purchasing parts, we're confident getting the best deal for your money is equally as important as the brand you've come to trust. Perhaps you need an undercarriage for one of Cat's excavators like the 374F L or a bucket for a 906H2 wheel loader? No matter what your parts need is, we can provide quality parts at a discount. If we don't have a part in stock or don't carry it, we'll track it down for you at the best price possible.


Our friendly parts specialist are standing by to assist you.
1-800-255-6253

Select Caterpillar Machine Type

All Caterpillar Parts

*Sample Image Shown
Cat Metallic Disc 6Y7934

Cat Metallic Disc

  • Part #: 6Y7934
  • Weight: 0.37
  • Fits Machine(s): 518, D5C, IT28B, D5C III, D5HTSK II, IT18B, D4HTSK II, D4C III, D3C III, 933, 931C, 939, 931C II, 931B, D4H, D4C, 926, 910, 916, 527, 5110B
View Part
*Sample Image Shown
Cat Cutting Edge Ctr 6Y5842

Cat Cutting Edge Ctr

  • Part #: 6Y5842
  • Weight: 52.30
  • Fits Machine(s): D4C, D5C
View Part
*Sample Image Shown
Bit-lh 6Y5840

Bit-lh

  • Part #: 6Y5840
  • Weight: 13.00
  • Fits Machine(s): 247, 259D, 257D, 262C, 259B3, 257B3, 256C, 252B, 257B, 252B3, 247B3, 247B, 262C2, 268B, 267B, 262D, 267
View Part
*Sample Image Shown
Bit-rh 6Y5839

Bit-rh

  • Part #: 6Y5839
  • Weight: 13.50
  • Fits Machine(s): 247, 262C, 259B3, 257B3, 259D, 257D, 256C, 252B, 257B, 252B3, 247B3, 247B, 267B, 262D, 268B, 267, 262C2
View Part
*Sample Image Shown
W/o Adapter 6Y3254

W/o Adapter

  • Part #: 6Y3254
  • Weight: 9.00
View Part
*Sample Image Shown
Pin, Slotted 6Y3228

Pin, Slotted

  • Part #: 6Y3228
  • Weight: 0.20
  • Fits Machine(s): 306, 446D, 450F, 446B, 933C, 931C II, E70B, 933, 450E, 416D, 430D, 446, 420D, 308E2 CR, 308E SR, 308E CR, 308E, 308D, 307E, 307D, 307C, 307B, 307, 306E, 305.5E
View Part
*Sample Image Shown
Adapter 6Y3224

Adapter

  • Part #: 6Y3224
  • Weight: 5.90
  • Fits Machine(s): 307, 446D, 446, 420D, E70B, 446B, 430D, 416D, 308E SR, 308E CR, 308C, 307C, 307B
View Part
*Sample Image Shown
Tooth, 935c 6Y3222

Tooth, 935c

  • Part #: 6Y3222
  • Weight: 4.30
View Part
*Sample Image Shown
Pin 6Y1421

Pin

  • Part #: 6Y1421
  • Weight: 4.00
  • Fits Machine(s): D3B, D3B LGP, D3C, D3C LGP, D4B, D4C, D4C LGP, D5C, D5C LGP, D5C XL
View Part
*Sample Image Shown
Bearing 6V8105

Bearing

  • Part #: 6V8105
  • Weight: 1.73
  • Fits Machine(s): D3C III, D5C III, D4C III, D3B
View Part
*Sample Image Shown
Cat Yoke Assy 6S7399

Cat Yoke Assy

  • Part #: 6S7399
  • Weight: 45.00
  • Fits Machine(s): D3C
  • Category(s): Undercarriages
View Part
*Sample Image Shown
Idler Plate 6S7220

Idler Plate

  • Part #: 6S7220
  • Weight: 4.00
View Part
*Sample Image Shown
Arm Rest Pair 6S4324

Arm Rest Pair

  • Part #: 6S4324
  • Weight: 6.00
  • Fits Machine(s): 931B, D3B LGP, D3B, D5B LGP, D5B, D5C LGP, D5C XL, D5C, D5, D6C LGP, D6C
  • Category(s): Cabs
View Part
*Sample Image Shown
Tube 6S3360X

Tube

  • Part #: 6S3360X
  • Weight: 42.00
View Part
*Sample Image Shown
6s-3275 6S-3275

6s-3275

  • Part #: 6S-3275
  • Weight: 32.00
  • Fits Machine(s): D3C
  • Category(s): Undercarriages
View Part
*Sample Image Shown
Disc, Steering 6S3183

Disc, Steering

  • Part #: 6S3183
  • Weight: 0.60
  • Fits Machine(s): D3
View Part
*Sample Image Shown
Cat Large (12" Od) 6H8021

Cat Large (12" Od)

  • Part #: 6H8021
  • Weight: 1.00
  • Category(s): Hydraulic Pumps
View Part
*Sample Image Shown
Cat Dipper Cyl 6E1964

Cat Dipper Cyl

  • Part #: 6E1964
  • Weight: 161.00
  • Fits Machine(s): 416B, 438C, 438B, 428C, 428B, 416C
View Part
*Sample Image Shown
Rod As.- Type Boom 6E1522

Rod As.- Type Boom

  • Part #: 6E1522
  • Weight: 64.60
  • Fits Machine(s): 416C/D
View Part
We are Here to Help!
Don't see what you're looking for? New aftermarket, used and rebuilt options!

Need a little extra help? Give one of our friendly, knowledgeable parts experts a call and we'll have your machine back up and running in no time.

Call a Parts Expert!
Part Sales Account Executive