---
product_id: 350612520
title: "42804 V-Twin Transmission Oil, 1 Quart, 1 Pack"
brand: "red line"
price: "$135"
currency: NZD
in_stock: true
reviews_count: 5
category: "Red Line"
url: https://www.desertcart.nz/products/350612520-42804-v-twin-transmission-oil-1-quart-1-pack
store_origin: NZ
region: New Zealand
---

# Dampens shifting noise for smooth rides Reduces transmission temperature dramatically 75W140 viscosity for superior gear protection 42804 V-Twin Transmission Oil, 1 Quart, 1 Pack

**Brand:** red line
**Price:** $135
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift smoother, ride cooler, and own the road like a pro!

## Quick Answers

- **What is this?** 42804 V-Twin Transmission Oil, 1 Quart, 1 Pack by red line
- **How much does it cost?** $135 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/350612520-42804-v-twin-transmission-oil-1-quart-1-pack)

## Best For

- red line enthusiasts

## Why This Product

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

## Key Features

- • **Thermal Shield:** Keeps transmission temps low even under high-rev conditions
- • **Thicker Oil Film:** Enhanced protection with superior film strength between gear teeth
- • **Pro-Grade Formula:** Packed with anti-wear zinc & phosphorus plus friction modifiers for peak clutch performance
- • **Silence the Shift:** Dramatically reduces the notorious clunk for a whisper-quiet ride
- • **Universal Compatibility:** Optimized for all H-D transmissions including Evolution, Twin Cam & 6-speed Cruise Drive

## Overview

Red Line's 42804 V-Twin Transmission Oil is a synthetic 75W140 fluid engineered to reduce transmission noise, lower operating temperatures, and provide superior gear protection. Compatible with all Harley-Davidson transmissions including Evolution, Twin Cam, and 6-speed Cruise Drive, it features advanced anti-wear additives and friction modifiers to ensure smooth shifting and extended transmission life under high-rev, high-impact conditions.

## Description

This product dampens transmission noise (reducing the notorious shifting clunk found in these gearboxes) dramatically reduces temperature provides thicker oil films between gear teeth and resists throw-off for all aftermarket versions like baker jims s&s etc. For all h-d trans including with evolution engines twin cam engines and latest 6-speed cruise drive same fluid as our unique heavy shockproof gear oil motor oils and gear oils are specifically engineered for the latest high-revving four-stroke motocross bikes and atvs sport bikes and v-twins each gear oil product reduces the thinning effect from high temperatures motor oils are packed with higher levels of anti-wear chemistry like zinc and phosphorus special friction modifiers in our motor oils better wet-clutch operational variety of two-stroke oils to meet the nmma tc-w3 regulations where required.

Review: Used it before. No issues.
Review: Put in my street glide. Good stuff so far. Shifts a heck of lot quieter and finding neutral isn't an issue thus far. Think I like it better than amsoil's trans fluid.

## Features

- Item Category: Auto Accessory
- Item Trademark: REDLINE OIL
- manufacturer: REDLINE OIL

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004X973EA |
| Best Sellers Rank | #31,238 in Automotive ( See Top 100 in Automotive ) #449 in Automotive Oils |
| Brand | Red Line |
| Customer Reviews | 4.9 4.9 out of 5 stars (1,730) |
| Date First Available | 20 September 2012 |
| Item Weight | 771 g |
| Item model number | (42804) |
| Manufacturer | Red Line |
| Manufacturer Part Number | 42804 |
| OEM Part Number | 42804 |
| Product Dimensions | 40.64 x 30.48 x 25.4 cm; 771.11 g |
| Viscosity | 75W140 |

## Product Details

- **Brand:** Red Line
- **Item weight:** 771 g
- **Liquid volume:** 32 Fluid Ounces
- **Material:** Synthetic
- **Package information:** Bottle

## Images

![42804 V-Twin Transmission Oil, 1 Quart, 1 Pack - Image 1](https://m.media-amazon.com/images/I/719vbFCEJLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***E on 7 August 2025*

Used it before. No issues.

### ⭐⭐⭐⭐⭐ Review
*by T***E on 19 July 2025*

Put in my street glide. Good stuff so far. Shifts a heck of lot quieter and finding neutral isn't an issue thus far. Think I like it better than amsoil's trans fluid.

### ⭐⭐⭐⭐⭐ Review
*by O***R on 7 December 2025*

This is my go-to V-Twin transmission gear oil in my Harley touring bikes. Great quality oil that keeps my transmissions in tip top shape over the years. Just make sure you change your fluids regularly.

## Frequently Bought Together

- Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart
- Red Line 42904 V-Twin Primary Case Oil, for use with UTVs, ATVs and Sportbikes - 1 Quart
- K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B

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**Shop now:** [https://www.desertcart.nz/products/350612520-42804-v-twin-transmission-oil-1-quart-1-pack](https://www.desertcart.nz/products/350612520-42804-v-twin-transmission-oil-1-quart-1-pack)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-10*