Parts for MerCruiser Race Engine and Drive 420 GM 454 V-8 1987-1989 Exhaust Manifold / Elbow (425 Gil System)

Revise Search: All Models > 420 GM 454 V-8 1987-1989 > 0A398941 - 0B622418 (USA) > Exhaust Manifold / Elbow (425 Gil System)

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View diagram and parts list below. Tap to zoom. Scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#	27-808730A92	GASKET SET (1 required per assembly)
		27-808730A92 - Engine Overhaul Gasket Set [ More info ] Unavailable
		27-808730A98 - Gasket Set [ More info ] Unavailable
#1	814901A 5	MANIFOLD ASSEMBLY, Exhaust - Port (1 required per assembly)
		814901A 5 - Manifold Assembly, Port Side [ More info ] Unavailable
		8M0084206 - Manifold Assembly - Port [ More info ] Unavailable
#1	814901A 6	MANIFOLD ASSEMBLY, Exhaust - Starboard (1 required per assembly)
		814901A 6 - Manifold - Starboard [ More info ] Unavailable
		814901T 6 - Manifold Assembly, Starboard Side [ More info ] Unavailable
#2	16-815214	STUD (8 required per assembly)
		16-815214 - Stud [ More info ] $14.33 $4.02 9 In Stock.
#3	32-815212 1	HOSE, Manifold To Exhaust Pipe (2 required per assembly)
		32-815212 1 - Molded Hose [ More info ] $100.64 Available to Order: Usually ships within 10 days.
#4	22-816035	FITTING (2 required per assembly)
		22-816035 - Fitting [ More info ] $214.41 1 In Stock.
#5	19-815203	PLUG, Pipe (2 required per assembly)
		19-815203 - Plug [ More info ] Unavailable
#5A	22-818768	FITTING, Straight (2 required per assembly)
		22-818768 - Fitting [ More info ] $79.99 4 In Stock.
#6	19-815205	FREEZE PLUG (1.00 Inch) (10 required per assembly)
		19-815205 - Plug, NLA [ More info ] $7.00 5 In Stock.
#7	19-815204	FREEZE PLUG (.750 Inch) (4 required per assembly)
		19-815204 - Plug [ More info ] $5.00 10+ In Stock.
#8	22-815208	FITTING, Tee (4 required per assembly)
		22-815208 - FITTING,NLA [ More info ] Unavailable
#9	22-815210	FITTING, Tee (1 required per assembly)
		22-815210 - FITTING [ More info ] Unavailable
#11	22-815209	FITTING, Tee (2 required per assembly)
		22-815209 - FITTING,NLA [ More info ] Unavailable
#12	19-815211	PLUG, Pipe Drain (2 required per assembly)
		19-815211 - PLUG,NLA [ More info ] Unavailable
#13	32-815215	HOSE (3.500 Inches) (6 required per assembly)
		32-815215 - Hose - 3.5 Inch [ More info ] Unavailable
#14	54-815207	CLAMP (16 required per assembly)
		54-815207 - Clamp [ More info ] $12.99 10+ In Stock.
#15	16-49545	STUD (.375-16 x 1.750) (4 required per assembly)
		16-49545 - Stud - Priced Individually [ More info ] Unavailable
		168M0204664 - STUD Note: Priced Individually [ More info ] $2.90 Available to Order: Usually ships within 10 days.
#15	16-821279	STUD (.375-16 x 2.187) (4 required per assembly)
		16-821279 - Stud [ More info ] Unavailable
#16	10-821107	SCREW, (.375-16 x 3.00) (8 required per assembly)
		10-821107 - Screw [ More info ] $8.05 $6.84 9 In Stock.
#16	10-815166	SCREW, (.375-16 x 5.625) (8 required per assembly)
		10-815166 - SCREW,NLA [ More info ] Unavailable
#17	10-815687	SCREW, (.375-16 x 1.250) Stainless Steel (4 required per assembly)
		10-815687 - Screw [ More info ] $5.99 3 In Stock.
#17	10-812567	SCREW, (.375-16 x 1.625) (4 required per assembly)
		10-812567 - Screw [ More info ] Unavailable
#18	12-20572	WASHER, (.390 x .750 x .093) (8 required per assembly)
		12-20572 - Washer, (.390 X .750 X .093) [ More info ] $1.50 8 In Stock.
#19	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel (8 required per assembly)
		12-37828 - Washer, (.390 X .625 X .062) Stainless Steel [ More info ] $0.80 10+ In Stock.
#20	11-25269	NUT, (.375-24) (4 required per assembly)
		11-25269 - Nut (3/8-24) [ More info ] $1.99 10+ In Stock.
#21	27-46820	GASKET, Exhaust Manifold To Head (2 required per assembly)
		27-46820 - Exhaust Manifold Gasket [ More info ] $23.33 2 In Stock.
		18-0418 - Manifold Gasket Big Bk Chevy [ More info ] $20.99 $19.62 10+ In Stock.
#22	818495A 1	TAILPIPE ASSEMBLY, Exhaust (2 required per assembly) Standard
		818495A 1 - TAILPIPE ASY-STD,NLA [ More info ] Unavailable
#22	818496A 1	TAILPIPE ASSEMBLY, Exhaust (OPT required per assembly) (3.00 Inches)
		818496A 1 - TAILPIPE ASY-3 I,NLA [ More info ] Unavailable
#22	818497A 1	TAILPIPE ASSEMBLY, Exhaust (OPT required per assembly) (6.00 Inches)
		818497A 1 - TAILPIPE ASY-6 I,NLA [ More info ] Unavailable
#23	27-848147	GASKET, Exhaust Elbow (2 required per assembly)
		27-848147 - Exhaust Elbow Gasket [ More info ] $37.35 Available to Order: Usually ships within 10 days.
#24	12-49112	WASHER (8 required per assembly)
		12-49112 - Washer, NLA [ More info ] $1.60 1 In Stock.
#25	11-68411	NUT, (.375-16) (8 required per assembly)
		11-68411 - Nut (3/8-16) [ More info ] $6.66 10+ In Stock.
		11-826709 12 - Nut, (.375-16) Stainless Steel [ More info ] $6.50 10+ In Stock.
#26	816037	PLATE, Diffuser (2 required per assembly)
		816037 - Diffuser Plate [ More info ] $192.98 Available to Order: Usually ships within 10 days.
#27	32-68894 1	HOSE, (48.00 Inches Bulk) (6.00 Inches) Cut As Required (1 required per assembly)
		32-68894 1 - Hose [ More info ] Unavailable
#28	54-815504105	CLAMP, Worm Gear (2 required per assembly)
		54-815504105 - Clamp [ More info ] $3.90 Available to Order: Usually ships within 10 days.