Home/Caterpillar 3406E Parts/370020 Cat / Caterpillar MAIN BEARING
Cat / Caterpillar MAIN BEARING
Caterpillar · Models: 3406E / 3408 / C15 / C16 / C18

370020 Cat / Caterpillar MAIN BEARING

Commercial diesel bearings. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$18.81
In stock — confirm dispatch timing 54 available
Fitment details

Want us to check the fit? Share any details you have below. All fields are optional. Your request will be included with your order, and a specialist may contact you before fulfillment.

Secure Checkout Review Return Policy Warranty Details Ask About Same-Day Shipping

Compare Standard and Economy

Check application, pack quantity, and coverage
Standard Best coverage
$18.81
2-year warranty
PAI 370020JAKS-PAI-370020
In stock · 54 available
Selected · add it below
Economy
$19.95
12-month warranty
PAI 370020EJAKS-PAI-370020E
In stock
Choose Economy

Compare warranty, price, pack quantity, and included components. Confirm the part against your engine details before ordering. Compare warranties →

PAI Part #370020
JAK'S Part #JAKS-370020
Catalog refCATERPILLAR 117-5975
Catalog refCATERPILLAR 1175975
Catalog refCATERPILLAR 1N3542
Catalog refCATERPILLAR 1W6589
Not sure it's the right fit? Call a specialist
(720) 445-6249
Talk to a tech or text a photo of your part tag — we'll confirm fitment before you buy
Kit Membership

Used In These Kits

This part is included in 1 engine & overhaul kits — find yours below.

Complete The Rebuild

Suggested Additional Parts

Commonly sold with this product. These parts are sold separately.

  1. Cat / Caterpillar CONNECTING ROD BEARING
    370015Cat / Caterpillar CONNECTING ROD BEARING In stock
    $18.77View ›
  2. Cat / Caterpillar THRUST BEARING (Pack of 2)
    370025Cat / Caterpillar THRUST BEARING (Pack of 2) In stock
    $58.92View ›
  3. Cat / Caterpillar ROD BEARING
    370010Cat / Caterpillar ROD BEARING In stock
    $22.03View ›
  4. Cat C15 Oil Pan Gasket, PAI (OEM 168-5248)
    331218Cat C15 Oil Pan Gasket, PAI (OEM 168-5248) In stock
    $172.59View ›
  5. Cat / Caterpillar C15 ENGINE ROD BEARING
    370035FCat / Caterpillar C15 ENGINE ROD BEARING In stock
    $191.51View ›
370020 Cat / Caterpillar MAIN BEARING
BrandPAI Industries
Part CategoryEngine Bearings
Sub-TypeEngine Bearing
Engine MakeCaterpillar
Engine Model3406E · 3408 · C15 · C16 · C18

MAIN BEARING

Fits:

  • CATERPILLAR 3406E SERIES
  • CATERPILLAR C15 ENGINE
  • CATERPILLAR C16 ENGINES
  • CATERPILLAR C18 ENGINE
  • CATERPILLAR 3408 ENGINES

OEM cross-references:

  • CATERPILLAR 117-5975
  • CATERPILLAR 1175975
  • CATERPILLAR 1N3542
  • CATERPILLAR 1W6589
  • CATERPILLAR 2110592
  • CATERPILLAR 4W5492
  • CATERPILLAR 6N3909
  • CATERPILLAR 6N8743
  • CATERPILLAR 8N5421
  • CATERPILLAR 211-0592
  • CATERPILLAR 217-0390
  • CATERPILLAR 2170390
  • CATERPILLAR 3178766
  • CATERPILLAR 317-8766
  • PAI 370020

Warranty: 24 months