O-RING
Our marine hardware includes all the essential small parts that keep your boat safe and functional. From stainless screws and hinges to rings and fastening accessories, DAM Marine offers a complete range built to last.
Each component is engineered to withstand saltwater, humidity, and temperature variations. Our stainless steel hardware ensures long-lasting durability for both sea and freshwater use.
With over 50 years of expertise in marine engine parts, DAM Marine guarantees professional-grade hardware for safe and reliable boat maintenance and outfitting.
Cylinder head bolt for the following Volvo Penta engines:
AD31, AD31B, AD31D-A, AD31L-A
AD31P-A, AD31XD, AD41A, AD41B
AD41D, AD41L-A, AD41P-A, AQAD30A
AQAD31A, AQAD40A, AQAD40B, AQAD41A
AQD40A, D41A, D41B, D41D
D41L-A, KAD300-A, KAD32P, KAD42A
KAD42B, KAD42P-A, KAD43P-A, KAD44P
KAD44P-B, KAD44P-C, KAMD300-A, KAMD42A
KAMD42B, KAMD42P-A, KAMD43P-A, KAMD44P-A
KAMD44P-C, MD30A, MD31A, MD40A
TAMD30A, TAMD31A, TAMD31B, TAMD31D
TAMD31L-A, TAMD31M-A, TAMD31P-A, TAMD31S-A
TAMD40A, TAMD40B, TAMD41A, TAMD41B
TAMD41D, TAMD41H-A, TAMD41H-B, TAMD41L-A
TAMD41M-A, TAMD41P-A, TAMD42B, TAMD42WJ-A
TD30A, TD31ACE, TD40A, TMD30A
TMD31A, TMD31B, TMD31D, TMD31L-A
TMD40A, TMD40B, TMD40C, TMD41A
TMD41B, TMD41D, TMD41L-A
19 pcs needed for a 4 cylinder engine
27 pcs needed for a 6 cylinder engine
Norma stainless steel collar, 12mm wide.
Clamping range 100 - 120mm.
W4 standard.
3/8-24" Rocker Arm Nut
O-ring for Yanmar SN21587 diesel filter
Ø ext 48mm
Ø int 44mm
thickness 2mm