2.0L 8v - B20

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2.0L 8v - B20

Reduced price! Reinforced head gasket Volvo B18A B18B B18D B20A B20B B20E B20F

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Reinforced head gasket Volvo B18A B18B B18D B20A B20B B20E B20F

Reference:

Brand Gaskets Cylinder Head reinforced

Condition: New product

Reinforced Cometic head gasket in MLS, multilayer steel. A single gasket per engine.

Engines: B18A, B18B, B18D, B20A, B20B, B20E, B20F
Bores: 86 to 94 mm
Thicknesses: 0.69 to 3.56 mm
Replaces: 913 9283, 913 928

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189,29 € tax incl.

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The Volvo engines covered

The B18A, B18B, B18D, B20A, B20B, B20E and B20F are 1.8 and 2.0-litre Volvo petrol engines with four cylinders in line and 8 valves. They power the Volvo 140, 240, P1800, Amazon (P120) and PV 544 models in the compatibility table below. An in-line four has a single cylinder head: allow for just one gasket per engine.

The original gaskets of these engines carry part numbers 913 9283 (B18D) and 913 928 (B20A, B20E and B20F). Volvo publishes neither their bore, nor their thickness, nor their construction. They are sized for standard pressures; when these rise, the clamping load drops, the head lifts and coolant seeps into a cylinder.

Reinforced cylinder head gaskets

How well the gasket holds also depends on the fasteners, which press the head against the block. A composite gasket takes a permanent set beyond 100 N/mm²; the 301 stainless steel of MLS gaskets withstands up to 517 N/mm², 5 times more, and springs back after every combustion. On the B18 and B20, remember the head fasteners when reassembling.

This page groups 60 part numbers from a single competition manufacturer, Cometic (United States), all in MLS, multi-layer steel. Bores range from 86 to 94 mm and thicknesses from 0.69 to 3.56 mm, enough to set the compression ratio to suit the build. As the engine has a single head, one gasket is enough: choose the bore and thickness you want. As a rule, the gasket bore chosen is at least 0.5 mm larger than the actual cylinder bore. Each part number is sold individually, one gasket per engine.

Technical specifications

Gasket bore	Thickness	Gasket volume	Gasket type OEM not specified OEM not specified	Brand	Part number OEM 913 9283 (B18D) OEM 913 928 (B20A, B20E, B20F)
86 mm	0.69 mm	4.01	MLS	Cometic	C4287-027
86 mm	0.76 mm	4.41	MLS	Cometic	C4287-030
86 mm	0.91 mm	5.29	MLS	Cometic	C4287-036
86 mm	1.02 mm	5.92	MLS	Cometic	C4287-040
86 mm	1.14 mm	6.62	MLS	Cometic	C4287-045
86 mm	1.30 mm	7.55	MLS	Cometic	C4287-051
86 mm	1.42 mm	8.25	MLS	Cometic	C4287-056
86 mm	1.52 mm	8.83	MLS	Cometic	C4287-060
86 mm	1.68 mm	9.76	MLS	Cometic	C4287-066
86 mm	1.78 mm	10.34	MLS	Cometic	C4287-070
86 mm	1.91 mm	11.09	MLS	Cometic	C4287-075
86 mm	2.03 mm	11.79	MLS	Cometic	C4287-080
86 mm	2.13 mm	12.37	MLS	Cometic	C4287-084
86 mm	2.18 mm	12.66	MLS	Cometic	C4287-086
86 mm	2.34 mm	13.59	MLS	Cometic	C4287-092
86 mm	2.49 mm	14.46	MLS	Cometic	C4287-098
86 mm	3.05 mm	17.72	MLS	Cometic	C4287-120
86 mm	3.56 mm	20.68	MLS	Cometic	C4287-140
90 mm	0.69 mm	4.39	MLS	Cometic	C4288-027
90 mm	0.76 mm	4.83	MLS	Cometic	C4288-030
90 mm	0.91 mm	5.79	MLS	Cometic	C4288-036
90 mm	1.02 mm	6.49	MLS	Cometic	C4288-040
90 mm	1.14 mm	7.25	MLS	Cometic	C4288-045
90 mm	1.30 mm	8.27	MLS	Cometic	C4288-051
90 mm	1.42 mm	9.03	MLS	Cometic	C4288-056
90 mm	1.52 mm	9.67	MLS	Cometic	C4288-060
90 mm	1.68 mm	10.69	MLS	Cometic	C4288-066
90 mm	1.78 mm	11.32	MLS	Cometic	C4288-070
90 mm	1.91 mm	12.15	MLS	Cometic	C4288-075
90 mm	2.03 mm	12.91	MLS	Cometic	C4288-080
90 mm	2.13 mm	13.55	MLS	Cometic	C4288-084
90 mm	2.18 mm	13.87	MLS	Cometic	C4288-086
90 mm	2.34 mm	14.89	MLS	Cometic	C4288-092
90 mm	2.49 mm	15.84	MLS	Cometic	C4288-098
90 mm	3.05 mm	19.40	MLS	Cometic	C4288-120
90 mm	3.56 mm	22.65	MLS	Cometic	C4288-140
92 mm	0.69 mm	4.59	MLS	Cometic	C4289-027
92 mm	0.76 mm	5.05	MLS	Cometic	C4289-030
92 mm	0.91 mm	6.05	MLS	Cometic	C4289-036
92 mm	1.02 mm	6.78	MLS	Cometic	C4289-040
92 mm	1.14 mm	7.58	MLS	Cometic	C4289-045
92 mm	1.30 mm	8.64	MLS	Cometic	C4289-051
92 mm	1.42 mm	9.44	MLS	Cometic	C4289-056
92 mm	1.52 mm	10.10	MLS	Cometic	C4289-060
92 mm	1.68 mm	11.17	MLS	Cometic	C4289-066
92 mm	1.78 mm	11.83	MLS	Cometic	C4289-070
92 mm	1.91 mm	12.70	MLS	Cometic	C4289-075
92 mm	2.03 mm	13.49	MLS	Cometic	C4289-080
92 mm	2.13 mm	14.16	MLS	Cometic	C4289-084
92 mm	2.18 mm	14.49	MLS	Cometic	C4289-086
92 mm	2.34 mm	15.56	MLS	Cometic	C4289-092
92 mm	2.49 mm	16.55	MLS	Cometic	C4289-098
92 mm	3.05 mm	20.28	MLS	Cometic	C4289-120
92 mm	3.56 mm	23.67	MLS	Cometic	C4289-140
93 mm	0.76 mm	5.16	MLS	Cometic	H1828SP1030S
93 mm	0.91 mm	6.18	MLS	Cometic	H1828SP1036S
93 mm	1.14 mm	7.74	MLS	Cometic	C14085-045
93 mm	1.14 mm	7.74	MLS	Cometic	H1828SP1045S
93 mm	1.68 mm	11.41	MLS	Cometic	H1828SP1066S
94 mm	2.03 mm	14.09	MLS	Cometic	H1828SP3080S

Gasket volume is the space it leaves above each piston. That space adds to the combustion chamber volume and lowers the compression ratio. Only compare gaskets of the same bore: here, from 86 to 94 mm, depending on the C4287, C4288, C4289, C14085 and H1828 series.

Preparation and fitting

Fasteners	Engines	Tightening torque
Original cylinder head bolts	B18A, B18B, B18D, B20A, B20B, B20E, B20F	not published by the manufacturer

Before fitting, lay a straightedge across the head and the block deck, and have anything out of true machined. Cometic gaskets arrive pre-coated: do not add sealant, as it does nothing useful and upsets the clamping load. On a B18 or a B20, take the opportunity to check the condition of the studs before closing up.

Technical guide

The construction offered

Cometic MLS
Several stainless steel sheets, stamped then riveted into a single stack. The outer sheets carry active beads around each cylinder and each fluid passage. Sealing comes with a moderate clamping torque and the bore moves little: a versatile construction, from the tuned naturally aspirated engine to the medium-boost turbo. On a B18 or a B20, this is the construction offered here for every part number.

Choosing bore and thickness

Gasket bore. The Cometic MLS comes in 86 mm (C4287), 90 mm (C4288), 92 mm (C4289), 93 mm (C14085 and H1828SP1030S, 1036S, 1045S, 1066S) and 94 mm (H1828SP3080S).

Thickness. Volvo gives no thickness figure for its standard gasket. A thicker gasket enlarges the combustion chamber and lowers the compression ratio; a thinner one reduces it and raises the ratio.

Your goal	Thickness to choose
Keep the original compression ratio	Original thickness unknown: measure the removed gasket, then choose the closest of the 18 thicknesses from 0.69 to 3.56 mm
Skimmed cylinder head, make up the lost height	Match the 18 thicknesses, from 0.69 to 3.56 mm, against that of the removed gasket plus the material taken off in machining
Forced induction build, lower the ratio	3.556 mm, if the removed gasket is thinner
Naturally aspirated build, raise the ratio	0.686 mm, if the removed gasket is thicker

With no published original thickness, measure with a dial gauge how high the pistons rise above the block deck before ordering, especially if you want a gasket thinner than the one removed: it sets the clearance left between piston and head, on a B18 as on a B20.

The brand

Cometic Gasket, Inc. is an American company specialising in gaskets and engine sealing, founded in 1989 and based in Concord, Ohio. It cuts each gasket to order, at the bore and thickness required, and makes it entirely in the United States from American raw materials. Its MLS gaskets on this page cover the Volvo B18 and B20.

Advantages over the original gasket

Criterion	Original gaskets 913 9283 and 913 928	Reinforced gaskets
Construction	Not specified by the manufacturer	Multi-layer stainless steel, or steel and aramid fibre with a stainless ring
Gasket bore	not published by the manufacturer	86 to 94 mm
Thicknesses available	not published by the manufacturer	0.686 to 3.556 mm, 18 values
Compression ratio adjustment	None	Through the thickness chosen
Resistance to overpressure	Limited to standard output	Designed for forced induction

When a reinforced gasket becomes necessary

Adding forced induction, or raising boost on an already turbocharged engine
Cylinder rebored beyond what the 86 to 94 mm bores of the gaskets offered covers
Looking for a compression ratio different from standard, higher or lower
Engine that has already lost its gasket, or is consuming coolant
Competition use, where the gasket goes through repeated temperature rises

Vehicle compatibility

Model	Engine code	Power	Years
140 (142, 144) 1.8	B18A	75 hp	1966-1968
140 Break (145) 1.8 S	B18A	75 hp	1966-1968
P 210 DUETT (P211, P212) 1.8	B18A	75 hp	1961-1967
P 2200 Break (P210) 1.8	B18A	68 hp	1964-1967
PV 544 (P11) 1.8	B18A	68 hp	1961-1967
140 (142, 144) 1.8	B18B	102 hp	1966-1968
140 (142, 144) 1.8 S	B18B	101 hp	1967-1972
140 Break (145) 1.8 S	B18B	101 hp	1966-1968
P 1800 (P18) 1.8	B18B	102 hp	1966-1968
P 2200 Break (P210) 1.8	B18B	86 hp	1964-1967
P 122 S AMAZON 1.8	B18D	90 hp	1967-1971
P 2200 Break (P210) 1.8	B18D	80 hp	1964-1967
PV 544 (P11) 1.8	B18D	80 hp	1961-1967
140 (142, 144) 2.0	B20A	82, 135 and 140 hp	1968-1974
140 Break (145) 2.0 S	B20A	82 hp	1968-1974
240 (P242, P244) 2.0	B20A	82 hp	1974-1976
240 Kombi (P245) 2.0	B20A	82 hp	1974-1975
P 121 2.0	B20A	82 hp	1968-1971
P 122 S AMAZON 2.0	B20A	120 hp	1969-1970
140 (142, 144) 2.0 S	B20B	101 hp	1968-1972
140 Break (145) 2.0 S	B20B	100 and 101 hp	1972-1974
P 122 S AMAZON 2.0	B20B	101 hp	1968-1971
140 (142, 144) 2.0	B20E	120 and 124 hp	1968-1975
140 Break (145) 2.0 S	B20E	124 hp	1972-1973
P 1800 (P18) 2.0	B20E	120 hp	1969-1973
P 1800 (P18) 2.0 ES	B20E	124 hp	1969-1973
140 (142, 144, 145) 2.0 (version à faible compression)	B20F	107, 109 and 112 hp	1972-1974

OEM part number: 913 9283, 913 928.

Important: these part numbers are for the B18A, B18B, B18D, B20A, B20B, B20E and B20F engines: check your vehicle's engine code before ordering, then choose the bore and thickness you want.

Why switch to a reinforced gasket?

Where the original gasket gives up, the reinforced one holds: at higher combustion pressure the steel MLS keeps its shape without crushing. That is the case for a tuned B18 or B20, carburetted or fuel-injected.

With a turbo, a supercharger or a raised compression ratio, the head gasket is the first part to give way in the top end. Choosing a reinforced one from the start avoids the leak and the far costlier head removal that follows: better to invest before the build than after the failure. The B18 and B20 date from the 1960s and 1970s: on engines of that age, a reinforced gasket saves reopening the head after every power gain.

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