Ensure a reliable front-end engine seal with our Complete Front Structure Gasket Set, which includes all essential gaskets and o-rings for your engine’s front cover components. This kit is ideal when performing front structure repairs or maintenance and is engineered to meet or exceed OEM specifications—at a fraction of dealer pricing.

Manufactured in an ISO-certified facility, each gasket and seal is precision-formed to provide long-lasting durability, reduce leak risks, and maintain engine efficiency.


Included in Kit:

Part Number OEM Number Description Qty
GGA-2909 56AX596 O-RING 1
121250 3073966 O-RING 1
321267 1178801 O-RING 1
421225 1819250C3 O-RING 1
336017 1694166 FRONT CRANKSHAFT SEAL 1
321276 2147568 O-RING 2
321346 2203373 RECTANGULAR SEALING RING 1
331492 2233505 AIR COMPRESSOR GASKET 1
331484 2237852 FRONT COVER GASKET 1
321375 3P0647 O-RING 2
331483 2572015 COVER GASKET 1
321231 3D2824 O-RING 1
EGA-3875 446GC1143 O-RING 1
321229 0336042 O-RING 1
321239 3J7354 O-RING 1
EGA-3061 8813-154129 O-RING 2
321398 5P4889 O-RING 1
321257 5P8068 O-RING 2
321403 6V1903 O-RING 1
321393 6V3250 O-RING 1
121284 3040817 O-RING 1
821010 446GC2156 O-RING 1
321223 6V5048 O-RING 1
321374 6V5134 O-RING 3
321230 2385080 O-RING 3
321390 6V7350 O-RING 1
321326 8J4351 O-RING 1
Weight

3.0 kg

Dimensions

We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) PLEASE CHOOSE THE CORRECT SHIPPING AT CHECKOUT
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.
1 YEAR WARRANTY
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3136898 | Caterpillar C13/C11 Front Structure Gasket Set

$279.00

Engine Serial Number