Ford Racing 8.8 Inch 3.73 Ring Gear and Pinion

SKU: FRPM-4209-88373

Ring and Pinion Gears

FR Ring and Pinion Sets

Ford Racing

Ford Racing 8.8 Inch 3.73 Ring Gear and Pinion

SKU: FRPM-4209-88373

Ring and Pinion Gears

FR Ring and Pinion Sets

IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. ** Note: 3.15 Ratio Differential not compatible with 3/31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M. * This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.

Product Overview

Features and Benefits

CNC Cut And Lapped Gear Teeth
Higher Strength And Better Quality
OEM Quality
Race Proven
Standard In Performance
Made in the USA

Product Details

Year	Make
Axle Type:	Ford 8.8 in.
Description:	Ring Gear And Pinion Set
Gear Ratio:	3.73
Part Number:	frpM-4209-88373
Position:	Rear
Prop 65 Yes/No:	No
Title:	Ford Performance - 8.8" 3.73 Ring Gear And Pinion - M-4209-88373
WARNING CA Proposition 65:	No

Part Type

Differential Ring and Pinion

Data: v4.2 - Upd: 2026-09-29 00:45:41

Features

CNC Cut And Lapped Gear Teeth
Higher Strength And Better Quality
Made in the USA
OEM Quality
Race Proven
Standard In Performance

Specifications

Product Attributes - Brand: Ford Performance Parts
Product Attributes - Manufacturer's Part Number: M-4209-88373
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Ford Performance Parts Ring and Pinion Sets
Product Attributes - UPC: 756122132302
Product Attributes - Differential Case Design Type: Ford 8.8 in.
Product Attributes - Ring and Pinion Ratio: 3.73:1
Product Attributes - Cover Bolts: 10
Product Attributes - Ring Gear Bolts: 10
Product Attributes - Pinion Spline Count: 30
Product Attributes - Ring Gear Rotation: Standard
Product Attributes - Ring Gear Teeth: 41
Product Attributes - Pinion Gear Teeth: 11
Product Attributes - Ring Gear Diameter (in.): 8.800 in.
Product Attributes - Pinion Shaft Diameter (in.): 1.626 in.
Product Attributes - Installation Kit Included: No
Product Attributes - Cover Gasket Included: No
Product Attributes - Pinion Shims Included: No
Product Attributes - Carrier Shims Included: No
Product Attributes - Crush Sleeve Included: No
Product Attributes - Pinion Seal Included: No
Product Attributes - Pinion Nut Included: No
Product Attributes - Ring Gear Bolts Included: No
Product Attributes - Head Bearing Included: No
Product Attributes - Tail Bearing Included: No
Product Attributes - Carrier Bearings Included: No
Product Attributes - Axle Seals Included: No
Product Attributes - Axle Bearings Included: No
Product Attributes - Differential Cover Included: No
Product Attributes - Differential Oil Included: No
Product Attributes - Friction Modifier Included: No
Product Attributes - Installation DVD Included: No
Product Attributes - Quantity: Sold as a set.

Reference Information

Brand Name/s	Ford Racing
StreetFX SKU	frpM-4209-88373
SFX Item ID	4303048
Supplier Item Code	4303048
Manufacturer SKU	M-4209-88373
Manufacturer UPC	756122132302
Alternative References	fms-m-4209-88373, FRDM4209-88373