---
product_id: 305896736
title: "MPT-323 ZDDP Zinc Additive - 4 fl. oz."
brand: "mpt"
price: "€ 83.25"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/305896736-mpt-323-zddp-zinc-additive-4-fl-oz
store_origin: HR
region: Croatia
---

# Racing-grade engine protection 1100 ppm ZDDP boost Manual transmission optimized MPT-323 ZDDP Zinc Additive - 4 fl. oz.

**Brand:** mpt
**Price:** € 83.25
**Availability:** ✅ In Stock

## Summary

> ⚙️ Gear up with the ultimate zinc additive for unstoppable engine protection!

## Quick Answers

- **What is this?** MPT-323 ZDDP Zinc Additive - 4 fl. oz. by mpt
- **How much does it cost?** € 83.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/305896736-mpt-323-zddp-zinc-additive-4-fl-oz)

## Best For

- mpt enthusiasts

## Why This Product

- Trusted mpt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **API SF Compliance:** Meets and exceeds American Petroleum Institute SF level standards for advanced additive performance.
- • **Maximum ZDDP Power:** Boosts zinc dialkyldithiophosphate levels to 1000-1100 ppm for unmatched wear protection.
- • **Break-In Excellence:** Delivers superior protection during critical engine break-in periods to extend longevity.
- • **Race-Ready Durability:** Engineered for industrial, offroad, and racing applications where peak performance matters.
- • **Manual Transmission Focus:** Specifically formulated for gearboxes and manual transmissions requiring motor oil lubrication.

## Overview

MPT MPT-323 ZDDP Zinc Additive is a 4 fl. oz. high-performance lubricant enhancer designed for manual transmissions and gearboxes. It elevates ZDDP levels to 1000-1100 ppm, providing superior wear protection especially during engine break-in. Ideal for industrial, offroad, and racing use, it meets API SF standards but is not intended for passenger cars.

## Description

MPT MPT-323 ZDDP Zinc Additive - 4 fl. oz. MPT MPT-323 ZDDP Zinc Additive - 4 fl. oz.

## Features

- Not For Use in Passenger Cars
- Can be used on manual transmissions and gearboxes where the manufacturer specifies the use of motor oil for lubrication
- Provides Superior Engine Protection, Especially During Breakin
- Industrial, Offroad and Racing Applications Only
- Increase ZDDP levels to approximately 10001100 ppm, or American Petroleum Institute (API) SF levels

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | MPT |
| Brand | MPT |
| Product Dimensions | 4.45 x 4.45 x 12.7 cm; 90.71 g |
| Item model number | MPT-323 |
| Manufacturer Part Number | MPT-323 |
| Item Weight | 90.7 g |

## Images

![MPT-323 ZDDP Zinc Additive - 4 fl. oz. - Image 1](https://m.media-amazon.com/images/I/710VSvD84WL.jpg)

## Frequently Bought Together

- MPT ZDDP Zinc Additive - for Superior Engine, Transmission and Gearbox Protection - 4 Fluid Ounces
- Valvoline VR1 Racing SAE 60 Motor Oil 1 QT
- Valvoline High Performance SAE 85W-140 Gear Oil 1 QT

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**Shop now:** [https://www.desertcart.hr/products/305896736-mpt-323-zddp-zinc-additive-4-fl-oz](https://www.desertcart.hr/products/305896736-mpt-323-zddp-zinc-additive-4-fl-oz)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-02*