# 20511110 Screw | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Screw - Part Number: 20511110

  

This genuine Volvo Penta screw is an OEM service component used in the Inlet / Exhaust Mounting Screw. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 7-litre TAD7 generator diesel application. Technical identification: Retaining screw in the charge-air heater and inlet-pipe assembly. In service, it provides the specified clamp load and mechanical retention for the associated assembly. Selection must be confirmed by OEM part number 20511110, the exact model/product number, serial number and installed assembly configuration.

  

⚙️ Key Features

  

• Genuine Volvo Penta OEM screw

• OEM part number 20511110

• Documented application: Inlet / Exhaust Mounting Screw

• Validated engine/application family: Volvo Penta 7-litre TAD7 generator diesel

• Technical distinction: Retaining screw in the charge-air heater and inlet-pipe assembly

• Primary function: Provides the specified clamp load and mechanical retention for the associated assembly.

• Confirm dimensions, thread and strength class, inspect mating threads/contact faces and tighten to the Volvo Penta torque and locking specification.

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20511110 (current/original OEM service reference)

  

OEM / Related Numbers:

  

• 20511110

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Inlet / Exhaust Mounting Screw

  

Typically suits:

  

• Engine / product models:

• TAD720GE

  

• Engine / Application Family: Volvo Penta 7-litre TAD7 generator diesel

• Serial / Configuration Note: Confirm screw dimensions, strength class and manifold/pipe position from the exact engine serialised drawing.

  

🔌 Function

  

Provides the specified clamp load and mechanical retention for the associated assembly. Confirm dimensions, thread and strength class, inspect mating threads/contact faces and tighten to the Volvo Penta torque and locking specification.

  

Common signs of failure:

  

• Loosening, fretting or movement at the retained joint

• Damaged threads, rounded flats, cracking or permanent distortion

• Loss of clamp load or incorrect alignment of the mounted component

• Corrosion, heat damage or contact-face wear

• Repeat failure caused by wrong torque or damaged mating parts

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 16.37 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 16.37 AUD | In stock |

## Images

- 20511110 Screw | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20511110-screw-genuine-volvo-penta)
> Updated: 2026-07-30