Home/Caterpillar 3300 Series Parts/Caterpillar 3300 DI Water Seal, PAI 336031 (OEM 9Y1798), Pack of 18
SEAL
Caterpillar · Models: 3300

Caterpillar 3300 DI Water Seal, PAI 336031 (OEM 9Y1798), Pack of 18

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$46.80
In stock — confirm dispatch timing 2 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
PAI Part #336031
JAK'S Part #JAKS-336031
Catalog ref4W8087
Catalog ref9Y1798
Catalog refCATERPILLAR 4W8087
Catalog refCATERPILLAR 9Y1798
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 15 engine & overhaul kits — find yours below.

Complete The Rebuild

Suggested Additional Parts

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

  1. Caterpillar 3300 Seal, PAI (OEM 7N8018), Pack of 6
    336032Caterpillar 3300 Seal, PAI (OEM 7N8018), Pack of 6 In stock
    $15.24View ›
  2. Caterpillar 3306 Cylinder Head Gasket, PAI (OEM 1118015), Pack of 1
    331263Caterpillar 3306 Cylinder Head Gasket, PAI (OEM 1118015), Pack of 1 In stock
    $65.02View ›
  3. Caterpillar 3306 Cylinder Block Plate Gasket, PAI (OEM 1157550), Pack of 1
    331273Caterpillar 3306 Cylinder Block Plate Gasket, PAI (OEM 1157550), Pack of 1 In stock
    $28.38View ›
  4. Caterpillar 3300 / 3306 Connecting Rod Bearing
    370130Caterpillar 3300 / 3306 Connecting Rod Bearing In stock
    $17.58View ›
  5. Caterpillar Silicone O-Ring, PAI (OEM 8M4448), Pack of 5
    321235Caterpillar Silicone O-Ring, PAI (OEM 8M4448), Pack of 5 In stock
    $14.95View ›
Caterpillar 3300 DI Water Seal, PAI 336031 (OEM 9Y1798), Pack of 18
BrandPAI Industries
Part CategorySeals & O-Rings
Engine MakeCaterpillar
Engine Model3300
ConditionNew
Stage / TierStandard

Pack of 18.

PAI 336031 is a DI Water Seal. PAI specifies the DI water seal designation for Caterpillar 3300 applications. Manufacturer-designated parent reference: CATERPILLAR 9Y1798.

Manufacturer application categories
CATERPILLAR 3300 SERIES. Confirm the complete required part number and application before ordering.

Manufacturer product cross-references
CATERPILLAR 4W8087
CATERPILLAR 9Y1798

PAI Part #: 336031

OEM References:

  • CATERPILLAR 4W8087
  • CATERPILLAR 9Y1798

Applications:

  • CATERPILLAR 3300 SERIES

Warranty: 2.0 year(s)