# 20798986 Suction Pipe | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Engine Oil-Sump Suction Pipe - Part Number: 20798986

  

Formed fluid-transfer component used in the d5a/d7a sump pickup and lubricating-oil pump inlet. It maintains the original bore, routing, connection type and clearance around adjoining engine components.

  

⚙️ Key Features

  

• Manufactured to the original Volvo Penta dimensional and material specification

• Maintains correct fit, alignment and service access in the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine product and serial/configuration before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20798986 (OEM catalogue reference)

  

OEM / Related Numbers:

  

• 20515177 and 20882047 service covers

• 20412568 lip seal

• 20451738 screw

• 20742661 gasket

• 20405603 spring pin

• 888860 oil pan

• 888861 cover

• 888868 dipstick

• 20460218 O-ring

• 888866 guide tube

• 888867 adapter

• 3831236 oil filter

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• D5A/D7A sump pickup and lubricating-oil pump inlet

  

Typically suits:

  

• Engine models:

• D5A-B TA; D5A-T; D5A-TA; D7A-B TA; D7A-T; D7A-TA; D7C-B TA; D7C-TA

• HP Range: Approximately 100-250 HP, depending on engine rating

• Engine Type: Four- and six-cylinder marine diesel

• Year Range: Approximately late 1990s-2000s

  

🔌 Function

  

Transfers the specified oil, fuel, coolant, air or vapour between components while preserving the original routing, flow area and sealing arrangement.

  

Common signs of failure:

  

• Visible oil, fuel, coolant, air or vapour leakage

• Cracking, corrosion, abrasion, chafing or wall thinning

• Kinking, crushing, blockage or restricted flow

• Loose fittings or damaged sealing faces

• System pressure, flow or performance below specification

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 818.82 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 818.82 AUD | In stock |

## Images

- 20798986 Suction Pipe | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20798986-suction-pipe-genuine-volvo-penta)
> Updated: 2026-08-01