
Gearbox Overdrive D-type Volvo 1800 (B18)
An oil leak at the rear edge of the gearbox, an overdrive that won't engage or that jumps out under load – these are the classic symptoms when a Laycock D-type on a B18-powered 1800 starts to get tired. This category gathers the wear and sealing parts that belong to the overdrive itself, so that engagement pressure and hydraulics can be restored without having to replace the whole unit.


Oil filter overdrive type D (late) for Volvo 1800, 1800S

O-ring overdrive D-type for Volvo Amazon, Amazon Kombi

O-ring overdrive D-type for Volvo Amazon, Amazon Kombi, 140
Bearing pin "D" type overdrive for Volvo 1800, Amazon Kombi
Washer for Volvo 1800, 1800S
O-ring overdrive D-type for Volvo Amazon, Amazon Kombi
120, 130, 220, P1800
- Year Model:
- 1957-69
Valve cover/cylinder head stud bolt for Volvo Amazon, Amazon Kombi
120, 130, 220, P1800
- Year Model:
- 1957-69
- Engine:
- B16, B18
Front overdrive bearing D-type for Volvo Amazon, Amazon Kombi, 1800
120, 130, 220, P1800
- Year Model:
- 1957-69
Gasket Overdrive D-type for Volvo Amazon, Amazon Kombi
120, 130, 220, P1800
- Year Model:
- 1957-69
- Engine:
- B16, B18
Bearing overdrive D-type middle for Volvo Amazon, Amazon Kombi, 1800
120, 130, 220, P1800
- Year Model:
- 1957-73
Oil pump spring, D-type for Volvo B16, B18, B20
- Engine:
- B16, B18
- Engine:
- B16, B18
Ball bearing Overdrive D-type for Volvo 140
120, 130, 220, P1800
- Year Model:
- 1957-69

Gasket Oil filter D-type for Volvo Amazon, Amazon Kombi
- Engine:
- B16, B18
- Engine:
- B16, B18
Gasket Overdrive D-type for Volvo Amazon, Amazon Kombi
120, 130, 220, P1800
- Year Model:
- 1957-69
- Engine:
- B16, B18
Locking pin planetary gear "D" type for Volvo Amazon, Amazon Kombi, 1800
Needle bearing overdrive for Volvo Amazon, 1800, 140
120, 130, 220, P1800
- Year Model:
- 1957-69
Roller set overdrive D & J type for Volvo Amazon, Amazon Kombi
Ball shift shaft M4, M30, M40 5/16" for Volvo Amazon, Amazon Kombi, 140, 164, 240, 340, 740, 760, 780, 850, 940
PV444, PV544, 445, 210
- Qty per car:
- 3
- Gearbox:
- M30
- Year Model:
- 1947-73
Washer for Volvo 1800, 1800E, 1800ES
120, 130, 220, P1800
- Year Model:
- 1969-73
Nut UNF 9/16-18x1/2" (13 mm) for Volvo PV444, Duett, Amazon, Amazon Kombi, 1800
Washer ENV & coupling cable for Volvo PV444, PV544, Duett, Amazon, Amazon Kombi, 1800

Clutch pedal return spring for Volvo Amazon, 1800, B20
120, 130, 220, P1800
- Year Model:
- 1969-73
- Engine:
- B20
Clutch cable bushing for Volvo Amazon, Amazon Kombi 1967-75
120, 130, 220, P1800
- Year:
- 1967-1975
- Engine:
- B20
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The group includes gaskets and O-rings to stop oil leaks, washers, screw and nut for correct tightening during assembly, plus bushings, balls and a release bearing that belong to the moving parts. During a rebuild, O-rings and gaskets are typical inspection points, since worn seals lower the oil pressure and make engagement weak or delayed.
The parts cover the B18-era 1800 with D-type overdrive. Always check which type of overdrive your car has before ordering, since the mounting details differ between versions.
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