Rear End Differential Gears Bearings and Misc

Differential Third Member Assembly - 1969-78 (3.9:1 Ratio)

      Differential third member assembly or pumpkinFIAT 124 Spider and Sport Coupe 1969 to early 1978 Does not fit late 1978s with cover on the back of the differential 3.9:1 ratio 10% taller than stock, engine will be at 10% lower...

Limited Slip Differential - 1966-78

Limited slip differentialFIAT 124 Spider and Sport Coupe - 1966-1978 1/2 Helical gear limited slip differential - Keeps one rear wheel from spinning by distributing some drive torque to both wheels Does NOT fit late 1978 and newer cars with cover on the...

Differential Ring and Pinion - 1969-78 (4.3:1 Ratio)

Differential ring gear and pinionFIAT 124 Spider and Sport Coupe 1969 to early 1978 Original 4.3:1 gear ratio which came in Spiders from 1971 to 1978 For front-loading differentials only

Differential Ring and Pinion - 1969-78 (3.9:1 Ratio)

Differential ring gear and pinionFIAT 124 Spider and Sport Coupe 1969 to early 1978 3.9:1 ratio Lowers engine rpm by approximately 10% compared to the 4.3:1 gears that came in most Spiders, resulting in quieter highway driving and better fuel...

Differential Ring and Pinion - 1969-78 (4.1:1 Ratio)

Differential ring gear and pinionFIAT 124 Spider and Sport Coupe 1969 to early 1978  4.1:1 (41/10) ratio Lowers engine rpm by approximately 5% compared to the 4.3:1 gears that came in most Spiders, resulting in quieter highway driving and...

Differential Ring and Pinion - 1978 1/2-80 (3.9:1 Ratio)

Differential ring gear and pinionFIAT 124 Spider and Spider 2000 1978 1/2 to early 1980 (January 1978 to approximately August 1979 production date) with a 3.9:1 ratio Ring gear is 24.2mm thick and has 10mm diameter bolt holes This ratio was used in...

Differential Ring and Pinion - 1980-82 (3.9:1 Ratio)

      Differential ring gear and pinionFIAT Spider 2000 1980-1982. September 1979 production date to Spares Number 1966226 (Spares number located at bottom of firewall VIN tag) 3.9:1 ratio Ring gear is ~28mm thick and has 10mm diameter...

Differential Ring and Pinion - 1982-85 (3.9:1 Ratio)

  Differential ring gear and pinionFIAT Spider 2000 and Pininfarina 1982-1985 From Spares Number 1966227 on (Spares number is located at the bottom of the firewall VIN tag) 3.9:1 ratio Ring gear is 29mm thick and has 12mm diameter bolt holes For...

Differential Ring and Pinion - Automatic

      Differential ring gear and pinionFIAT Spider 2000 August 1979 to Spares Number 1966226 - with automatic transmission 3.58:1 ratio Note: One tooth on the ring gear has a slight chip on a vertical corner, it will not affect the...

Differential Ring Gear Bolt - 1968-78

      Differential ring gear boltFIAT 124 Spider and Sport Coupe 1968-1978 1/2

Differential Pinion Crush Sleeve - 1966-82

Pinion crush sleeveFIAT 124 Spider, Spider 2000 and Pininfarina - 1966-1982 (To spares number 1966226)FIAT 124 Sport Coupe - 1967-1975

Differential Pinion Crush Sleeve - 1982-85

      Pinion crush sleeveFIAT Spider 2000 and Pininfarina - from Spares Number 1966227 in 1982 to 1985 Fits 124's with 26.2mm axles  

Differential Pinion Nut - 1969-78

  Pinion nutFIAT 124 Spider and Sport Coupe 1969 to early 1978 Nylock nut

Differential Pinion Nut - 1978-85

  Pinion nutFIAT 124 Spider, Spider 2000 and Pininfarina 1978-1985 Peen over style nut

Differential Front Flange 1969-78

Differential front flangeFIAT 124 Spider - 1969 to early 1978FIAT 124 Sport Coupe - 1969-1975 Fits front load differential - located in front of the front pinion bearing

Differential Front Flange 1978-85

Differential front flangeFIAT 124 Spider, Spider 2000 and Pininfarina late 1978-1985 For rear load differentials This yoke goes in front of the differential pinion bearing and connects to the driveshaft

Driveshaft Flange Nut - 1969-85

  Drive shaft rear flange lock nutFIAT 124 Spider, Sport Coupe, Spider 2000 and Pininfarina 1969-1985  Original size tall nylock nut for the drive shaft to rear end bolts Need 4 per car

Driveshaft Flange Nut & Bolt - 1969-74

Drive shaft rear flange bolt and lock nut FIAT 124 Spider, Sport Coupe - 1969-1974 Original size tall nylock nut & bolt for the drive shaft to rear end bolts Need to purchase 4 per car

Differential Pinion Oil Slinger Washer - 1969-78

Pinion oil slinger washerFIAT 124 Spider and Sport Coupe early 1969 1978 Fits front load differential - located in front of the front pinion bearing

Differential Rear Cover 1978-85

Differential rear coverFIAT Spider 2000 and Pininfarina 1978-1985

Rear Axle Shaft Bearing

Rear wheel or axle shaft bearingFIAT 124 Spider, Spider 2000 and Pininfarina - 1966-1985FIAT 124 Sport Coupe - 1967-1975 Don't forget to order the retainer BG1-486, as they are not reusable Save money and time with our complete and convenient rear wheel...

Rear Axle Shaft Bearing Retainer

Rear wheel or axle shaft bearing retaining ringFIAT 124 Spider, Sport Coupe, Spider 2000 and Pininfarina 1966-1985 Keeps the wheel bearing on the axle shaft - and must be replaced with the rear wheel bearing

Rear Axle Shaft Bearing Retainer C-Clip

Rear wheel or axle shaft bearing retaining ring C clipFIAT 124 Spider and Sport Coupe 1966 to early 1978 Keeps the axle bearing in the axle housing Fits 'front load' differentials 

Rear Axle Shaft Bearing kit - SAVE over 10%

Rear wheel bearing or axle shaft bearing kit FIAT 124 Spider, Spider 2000 and Pininfarina - 1966-1985 FIAT 124 Sport Coupe - 1967-1975   Our kit includes:  Axle bearing (BG1-473) Bearing retainer (BG1-486) Oil seal (SE6-410) O-ring...

Differential Carrier Bearing - 1966-78

Differential carrier bearing FIAT 124 Spider and Sport Coupe 1966-1977 This bearing will also fit early 1978 rear ends with removable pumpkin 2 bearings required

Differential Carrier Bearing - 1978-82

      Differential carrier bearing FIAT 124 Spider, Spider 2000 and Pininfarina 1978-1982 Fits to Spares Number 1966226 - the Spares Number is located at the bottom of the VIN plate on the firewall 2 bearings required

Differential Carrier Bearing - 1982-85

  Differential carrier bearingFIAT Spider 2000 and Pininfarina - 1982-1985 From Spares Number 1966227 - The Spares Number is located at the bottom of the VIN plate on the firewall 2 bearings required

Differential Rear Pinion Bearing 1966-85

Differential rear pinion bearingFIAT 124 Spider, Sport Coupe, Spider 2000 and Pininfarina 1966-1985

Differential Front Pinion Bearing- 1966-85

Differential front pinion bearingFIAT 124 Spider, Sport Coupe, Spider 2000 and Pininfarina 1966-1985

Differential Housing Gasket - 1966-78

Differential housing gasketFIAT 124 Spider and Sport Coupe 1966-1978 Fits front loading style rear ends Manufactured in Italy to the highest standards and specifically for your Fiat 124

Differential Housing Gasket - 1978-85

Differential housing gasketFIAT 124 Spider, Spider 2000 and Pininfarina 1978-1985 For rear ends with rear cover Manufactured in Italy to the highest standards and specifically for your Fiat 124

Rear Axle Oil Seal

    Rear axle oil sealFIAT 124 Spider, Sport Coupe, Spider 2000 and Pininfarina - 1966-1985 2 required per car

Rear Axle O-Ring Seal

Rear axle O-ring sealFIAT 124 Spider, Spider 2000 and Pininfarina - 1966-1985FIAT 124 Sport Coupe - 1967-1975

Differential Oil Seal - 1966-78

Differential front oil or pinion seal FIAT 124 Spider and Sport Coupe - 1966 to early 1978   Fits front loading differentials

Differential Oil Seal - 1978-85

Differential front oil or pinion seal FIAT 124 Spider, Spider 2000 and Pininfarina - 1978-1985    Fits differentials with a rear cover