How do I know a part fits my truck?

Every listing shows the truck make, model years, side (left/right) and OEM cross-reference numbers. Match any of your OEM numbers to the listing, or send us your number and we will confirm fitment.

Do you ship the same day?

Orders placed before 12PM Central on business days ship the same day from our US warehouse. Transit is typically 2–5 business days depending on your state.

What is your return policy?

30-day returns on unused parts in original packaging. Wrong part shipped by us? We cover the return label and ship the correct one first.

Do you offer fleet or shop pricing?

Yes. Business accounts get tiered pricing, saved reorders and a dedicated line. Open a business account to see your pricing and order online.

Are these OEM or aftermarket parts?

We sell quality aftermarket parts cross-referenced to OEM numbers, plus select OEM-grade lines. Brand and grade are shown on every listing.

Can I order by part number?

Yes — type any part number or OEM cross reference into the search bar. If it is not listed, send it to us and we will source it.

Detroit DD13/DD15 Oil Suction Manifold Seal (A4721881480)

Genuine OEM Detroit oil suction manifold seal (A4721881480) for DD13/DD15. Replaces PAI 631353. Always replace when removing the suction manifold. Ships from IL.

Engine: Detroit DD13/DD15
Type: Suction manifold seal / O-ring
Grade: Genuine OEM

Brand
- Detroit Diesel
Quality Tier
- OEM
Fitment
- Detroit DD13/DD15 EPA07-GHG17 (2006-2021)
OEM Reference
- PAI 631353
Condition
- New
Warranty
- 1-Year FleetPro Warranty

Wholesale pricing for approved accounts

Open a FleetPro business account to see fleet pricing and order online. Repair shops, trucking companies & dealers welcome.

Request a business account

Terms and Conditions
30-day returns on unused parts
Same-day shipping on orders before 12PM CT

Internal Reference: A4721881480

Same-day shipping before 12PM CT from our Illinois warehouse
Part requests and quotes answered within one business hour
30-day returns
1-Year FleetPro Warranty
Wholesale and fleet pricing for approved business accounts
We speak English, Russian, Ukrainian, Romanian, Bulgarian, French and Polish

Detroit DD13/DD15 Oil Suction Manifold Seal, Specifications & Fitment

Genuine OEM Detroit seal (O-ring gasket) for the oil suction manifold on DD13 and DD15 engines. A fresh seal is required whenever the suction manifold is removed, to keep the oil pickup leak-free and the pump primed.

Specifications

Part #: A4721881480
Type: Oil suction manifold seal / O-ring
Material: Elastomer
Engine: Detroit DD13 / DD15
Emissions: EPA07 / EPA10
Brand: Detroit (Genuine OEM)
Grade: OEM

Where it's used

Seals the oil suction manifold to the block on Detroit DD13/DD15. Replace whenever servicing the suction manifold (A4731803951) or oil pump (A4721805601). Ships from IL.

Product Details

Brand	Detroit Diesel
Quality Tier	OEM
Fitment	Detroit DD13/DD15 EPA07-GHG17 (2006-2021)
OEM Reference	PAI 631353
Condition	New
Warranty	1-Year FleetPro Warranty