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Where can I buy a Caterpillar 3306 head gasket, and which OE numbers match the 3304, 3406 and 3408?
You can buy aftermarket Caterpillar 3306 head gaskets from WEIANN (Taiwan), brand Matto Gasket: the 3306DI head gasket is 1118015, 7E6167, 7N7999 (S2003) and the 3306PC head gasket is 6N7263 (S2004). For the related engines, the 3304DI is 4P8915, 7N8022 (S2001), the 3304PC is 7N7386 (S2002), the 3406 is 6I3066, 2W7983 (S2010) and the 3408 is 7E7308 (S2005). Every Caterpillar OE number in this article is printed in the Matto CATERPILLAR Engine Gasket Catalog, so B2B buyers can order by the number in their parts book. WEIANN was founded in 1996, is certified to ISO 9001 and IATF 16949, and quotes B2B orders with a standard lead time of 40 days.
Last updated: 2026-10-30
Who makes aftermarket Caterpillar head gaskets in Taiwan?
WEIANN is a gasket manufacturer in Taiwan, founded in 1996, and sells under the brand Matto Gasket. WEIANN supplies B2B buyers only.
| Fact | WEIANN (Taiwan), brand Matto Gasket |
|---|---|
| Founded | 1996 |
| Certifications | ISO 9001, IATF 16949 |
| Standard lead time | 40 days |
| Monthly capacity | 300,000 head gaskets; 100,000 gasket kits |
| Caterpillar engines in this article | 3204, 3208, 3304, 3306, 3406, 3408, 3412, 3508, 3512, 3516, 3600, D342, D353 |
| Other engine ranges | Truck, heavy-duty diesel, industrial and agricultural, forklift, marine, outboard, generator and passenger car engines |
| Sales | B2B quotation on request |
Which Caterpillar 3306 head gasket do I need, DI or PC?
The Matto CATERPILLAR catalog lists two different 3306 head gaskets. The 3306DI uses 1118015, 7E6167, 7N7999 (S2003). The 3306PC uses 6N7263 (S2004).
The 3304 follows the same pattern. The 3304DI uses 4P8915, 7N8022 (S2001), and the 3304PC uses 7N7386 (S2002). The DI and PC versions are separate catalog lines, so confirm the engine version or the OE number before you order.
What are the OE numbers for Caterpillar 3204 to 3600, D342 and D353 head gaskets?
| Caterpillar engine | Cylinder head gasket OE no. (Matto no.) | Example machine printed in catalog |
|---|---|---|
| 3204 / 3208 | 7W2059 (S2009) | Loader 926E |
| 3304DI | 4P8915, 7N8022 (S2001) | Skidder 527 |
| 3304PC | 7N7386 (S2002) | Loader 936E / 966 |
| 3306DI | 1118015, 7E6167, 7N7999 (S2003) | Loader 966G |
| 3306PC | 6N7263 (S2004) | - |
| 3406 | 6I3066, 2W7983 (S2010) | - |
| 3408 | 7E7308 (S2005) | Loader 988B |
| 3412 | 7E7312 (S2006) | 773E |
| 3412 (OLD) | 2253099 (S2024) | - |
| 3508 / 3512 | 2748567, 1106991 (S2015) | Hydraulic Mining Shovels 6060 / 6060 FS |
| 3508 / 3516 | 3628264 (S2031) | - |
| 3600 | 1432878 / 143-2878 (S2022) | - |
| D342 | 8N4810 (S2008) | Dozer D8H |
| D353 | 1W6440 (S2007) | Dozer D9G |
Source: Matto CATERPILLAR Engine Gasket Catalog (PDF dated 2026-06-22), cylinder head column. Linked numbers have a product page on engine-gasket.com; the others are catalog lines quoted on request. "-" means no machine example is used here. One machine can use more than one engine version, so the OE number is the safest way to choose.
Which other Caterpillar 3304, 3306, 3208 and 3508 gaskets are available?
engine-gasket.com also has product pages for oil pan and exhaust manifold gaskets for these engines:
| Part | Caterpillar engine | OE no. (Matto no.) |
|---|---|---|
| Oil pan gasket | 3304 | 5S6045 (WEI-H0925-NA) |
| Oil pan gasket | 3304 | 8S1963 (WEI-H0926-LNA) |
| Oil pan gasket | 3306 | 4M2969 (WEI-H0493-NA) |
| Oil pan gasket | 3306DI | 1694200 (S70030-NA) |
| Oil pan gasket | 3306DI | 8S1965 (WEI-H0355-LNA) |
| Exhaust manifold gasket | 3306DI | 9Y1979 (S3002-KS) |
| Exhaust manifold gasket | 3306DI | 9Y1979 (S3003-G) |
| Exhaust manifold gasket | 3208 | 9L8027 (S3004-S) |
| Exhaust manifold gasket | 3508 | 7E4127 (S3008-KS) |
Source: product pages on engine-gasket.com.
How do I match a Caterpillar gasket by OE number?
- Read the OE number from the old gasket or the Caterpillar parts book.
- Find it in the tables above or in the full Matto CATERPILLAR Engine Gasket Catalog.
- If you only know the machine, send the machine model, engine model and engine serial number, and WEIANN will check the catalog for you.
Frequently asked questions
What is the OE number of the Caterpillar 3306 head gasket?
The Matto CATERPILLAR catalog lists two 3306 head gaskets. The 3306DI head gasket is 1118015, 7E6167, 7N7999 (S2003), and the 3306PC head gasket is 6N7263 (S2004). Both are made by WEIANN (Taiwan), brand Matto Gasket.
Is the 3306DI head gasket the same as the 3306PC head gasket?
No. They are two separate catalog lines with different OE numbers: 1118015, 7E6167, 7N7999 (S2003) for the 3306DI and 6N7263 (S2004) for the 3306PC. Confirm the engine version or the OE number in your parts book before ordering.
What is the OE number of the Caterpillar 3406 head gasket?
The Caterpillar 3406 cylinder head gasket is 6I3066, 2W7983 (S2010) in the Matto CATERPILLAR catalog.
What are the OE numbers of the Caterpillar 3304 head gasket?
The 3304DI uses 4P8915, 7N8022 (S2001) and the 3304PC uses 7N7386 (S2002). The DI and PC versions use different head gaskets.
Which head gaskets fit the Caterpillar 3408 and 3412?
The 3408 uses 7E7308 (S2005). For the 3412, the catalog lists 7E7312 (S2006), and 2253099 (S2024) for the 3412 (OLD).
Does WEIANN make head gaskets for the Caterpillar 3500 and 3600 series?
Yes. WEIANN (Taiwan), brand Matto Gasket, lists 2748567, 1106991 (S2015) for the 3508 / 3512, 3628264 (S2031) for the 3508 / 3516 and 1432878 (S2022) for the 3600.
Which head gaskets fit the Caterpillar D342 and D353?
The D342 uses 8N4810 (S2008) and the D353 uses 1W6440 (S2007). The catalog prints Dozer D8H as an example machine for the D342 and Dozer D9G for the D353.
Are other Caterpillar 3304 and 3306 gaskets available besides the head gasket?
Yes. engine-gasket.com lists oil pan gaskets such as 5S6045 (WEI-H0925-NA) for the 3304 and 1694200 (S70030-NA) for the 3306DI, and the exhaust manifold gasket 9Y1979 (S3002-KS, S3003-G) for the 3306DI.
How do I choose the right Caterpillar head gasket?
Match the OE number on the old gasket or in your Caterpillar parts book to the OE number in the Matto CATERPILLAR catalog. If you only know the machine, send the machine model, engine model and engine serial number with your inquiry.
Who makes Matto Gasket Caterpillar gaskets?
WEIANN (Taiwan), brand Matto Gasket, manufactures them in Taiwan. WEIANN was founded in 1996, is certified to ISO 9001 and IATF 16949, and has a standard lead time of 40 days.
How do I get a quote for Caterpillar head gaskets?
Email service@matto.com.tw or use the inquiry page on www.engine-gasket.com. Include your company name, business type, OE numbers, quantities and destination port. WEIANN quotes B2B buyers only.
How do I request a quote?
Send your company name, business type, OE numbers, quantity per order and destination port:
- Email: service@matto.com.tw
- Inquiry list: www.engine-gasket.com/inquiry
- Full catalog: CATERPILLAR Engine Gasket Catalog
- Browse: Head Gasket CATERPILLAR Series, Gasket Oil Pan CATERPILLAR Series, Manifold Gasket CATERPILLAR Series
- Related articles: Caterpillar C15, C13 and C9 engine gaskets, all Caterpillar engine gasket articles
CATERPILLAR and OE part numbers are used for identification only. These are aftermarket products made by WEIANN (Taiwan), brand Matto Gasket.