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GILBERT CHEVROLET - GM, GMPP, AND CHEVROLET ENGINE BLOCK PARTS | |
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These GM, GMPP, and Chevrolet block parts are brand new. These are some of the block parts that are available. Most of these are out of the GMPP catalog. If you don’t see what you are
looking for give us a call. We carry bare, partial engine blocks, and engine block parts made by many different aftermarket companies besides GM also. Key - gmblock |
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GM, GMPP, AND CHEVROLET BLOCK NAVIGATION | |
| GM, GMPP, And Chevrolet Block Index | GM Bare And Partial Engine Blocks |
| GM, GMPP, Chevrolet Block Parts |
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GM, GMPP, AND CHEVROLET ENGINE BLOCK PARTS | |
| Part# | Description | Link | |
| Buick V6 | |||
| 24500621 |
Block Hardware Kit This hardware kit includes dowel pins for heads, front cover, and bellhousing, crankshaft bolts and washer along with woodruff keys for camshaft and crank. Designed as a package to aid engine builders as these components are not included on blocks. |
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| Pontiac Super Duty Four | |||
| 10031328 |
Super Duty Four Engine Hardware Package This package includes all of the small parts which are required to assemble a Super Duty four-cylinder engine. It contains a front engine cover, thermostat housing, water pump, water inlet, pushrod guideplates, timing pointer, and a complete selection of plugs, bolts, clamps, pins, and fasteners. |
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| Chevy V6/60° | |||
| 10051177 |
Four-Bolt Main Bearing Cap This billet steel bearing cap is used on the #2 main bearing in a Bow Tie aluminum V6/60° block. Its outer bolt holes angle outward toward the oil pan rails. This splayed bolt design improves reliability in highly stressed racing engines by tying the cap to the strongest part of the block. It also reduces distortion of the main bearing bores by increasing the cap’s resistance to closing up under high loads. Technical Notes: For 67mm diameter main bearings. |
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| 10051178 |
Four-Bolt Main Bearing Cap This billet steel bearing cap is used on the #3 main bearing in a Bow Tie aluminum V6/60° block. Its outer bolt holes angle outward toward the oil pan rails. This splayed bolt design improves reliability in highly stressed racing engines by tying the cap to the strongest part of the block. It also reduces distortion of the main bearing bores by increasing the cap’s resistance to closing up under high loads. Technical Notes: For 67mm diameter main bearings. |
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| 12480252 | Main Bearing Kit Standard diameter for #1 and #4 main bearings, 1985 and later engines. |
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| 12480253 | Main Bearing Kit Standard diameter for #2 main bearing, 1985 and later engines. |
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| 12480254 | Main Bearing Kit Standard diameter for #3 main bearing, 1985 and later engines. |
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| 14077802 | Front Main Bearing Cap | -- | |
| 14077813 | Rear Main Bearing Cap | -- | |
| 14085829 | Rear Crankshaft Seal Kit One-piece rear crankshaft seal for 1985 and later engines. |
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| 10044990 | Main Bearing Cap Bolt 11mm bolt for outer holes on Bow Tie four-bolt caps. |
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| 00476543 | Main Bearing Cap Bolt 11mm x 3.66” long, for cast iron production block |
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| Chevy V6/90° | |||
| Nothing in the GM Performance Parts catalog for this engine. | -- | ||
| Small-Block | |||
| 10121044 |
Rear Main Seal This rear oil seal is for V6 and V8 Chevrolets with two-piece design. P/N 10121044 seal is designed to tolerate higher operating temperatures and has more face pressure than other seals for superior leak protection. This seal is used by most NASCAR teams. |
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| 10088158 | Rear Main Seal 1-piece Style. |
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| 10051118 | Rear Main Seal Adapter Seal adapter for 1-piece to 2-piece rear main seal. |
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| 10134368 |
Main Bearing Cap, #1 This 2.45” dia. main bearing cap is made from 8620 steel and is used on Chevrolet V8 aluminum blocks P/N 24502495, P/N 10185075, and on Chevrolet V6/90° aluminum blocks P/N 10134371. NOTE: These bearing caps will not work on cast iron blocks. |
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| 10134369 |
Main Bearing Cap, Intermediate These 2.45” dia. main bearing caps are splayed and are made from 8620 steel. They are used on Chevrolet V8 aluminum blocks P/N 24502495, P/N 10185075, and on Chevrolet V6/90° aluminum blocks P/N 10134371. Technical Notes: These bearing caps will not work on cast iron blocks. |
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| 10185067 |
Welch Plug Used on Chevrolet V8 aluminum blocks P/N 24502495, P/N 10134400, P/N 10185075, and on Chevrolet V6/90° aluminum blocks P/N 10134371 and P/N 10185051. Technical Notes: These plugs are threaded with o-ring seal. |
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| 12342089 |
Timing Chain Cover - Chrome (Licensed part by GM) For use on Chevrolet small-block V8 1995-99 first design and V6/90° engines. It is a direct replacement for all late model small-block and V6/90° front covers that use a bolt-on timing pointer. Replacement oil-seal: P/N 10243247. (See Proform 141-215) Technical Notes: These timing covers, engineered to GM standards for reliable installation, are stamped with the distinctive Chevrolet logo. They are supplied with GM production oil seals installed. |
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| 10243967 | Timing Chain Cover Plain cover. |
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| 12363238 |
Universal Engine Lift Bracket Kit These engine lift brackets are designed to bolt to the ends of each cylinder head to remove an engine from the vehicle. Kit includes two brackets and two 7/16” bolts. Technical Notes: These brackets are made from .020” thick steel, and have an .88” x 1.00” hook slot. They are painted with epoxy coating and use either 3/8” or 7/16” mounting bolts (use grade 5 or higher bolts). |
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| 12480004 |
Cylinder Sleeve (Standard) These sleeves are for new design aluminum V8 and V6/90° blocks P/N 10134400, 10134351, 10134371. Technical Notes: This sleeve has a 3.980” I.D. and can be bored to 4.125”. |
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| 12480018 |
Plugs, Oil Galley These are replacement oil galley plugs for all GM aluminum blocks. They are size AN-6. |
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| 12480032 |
Cylinder Sleeve (Standard Tall Deck) This sleeve is the replacement for aluminum “tall deck” block P/N 24502495 only. This iron sleeve I.D. bore is 4.120” and finish bores to 4.125”. |
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| 12495500 |
Engine Freeze Plug and Dowel Pin Kit When rebuilding your engine use this kit for all small block V8 (except RPO LS1) or V6/90° Chevrolet engines. This kit includes eight brass freeze plugs, one cam plug, five oil hole plugs, four head dowel pins, and one camshaft dowel pin. |
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| 12562818 |
Timing Chain Cover This new design cover is used on all ZZ4 crate engines, and will bolt to any small-block Chevrolet engine from 1995 through current model except LT1, LT4 and LS1. [Old P/N 12552557] Technical Notes: Use RTV sealant to seal new timing chain cover. Not recommended for use with short leg water pump because there is no clearance between back of pump and the cover. Use chrome cover P/N 12342089 or early model sheet metal cover P/N 12523317 for short water pump application. |
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| 14011052 |
Billet Steel Two-Bolt Cap This steel main cap replaces the gray iron front bearing cap on small-block and V6/90° engines with 2.45” main bearings. It is machined from 1010 cold drawn steel, and it uses the same bolts and studs as a production front bearing cap. Technical Notes: The block must be align bored after installing a replacement front bearing cap. |
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| 14011072 |
Billet Steel Four-Bolt Cap These billet main bearing caps are machined from 1010 cold drawn steel. The outer bolt holes angle outward toward the oil pan rails. This splayed bolt design improves reliability in highly stressed racing engines by tying the cap to the strongest part of the block. It also reduces distortion of the main bearing bores by increasing the cap’s resistance to closing up under high loads. Billet steel main caps are designed for blocks with 2.45” main bearings. The Chevy Bow Tie is laser etched on top of the cap. Technical Notes: See the Chevy Power manual for machining instructions when installing splayed bolt caps on blocks originally equipped with two-bolt or production-type four-bolt caps. |
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| 03826504 |
Welch Plug (15/8” Brass) Whether you call them “welch plugs”, “freeze plugs,” or “soft plugs”, their job is still the same-to keep the water in the water jacket! Welch plugs are available in three different materials to suit various applications. Bow Tie aluminum blocks require aluminum plugs; either steel or brass plugs can be installed in cast iron blocks. Brass is more corrosion resistant than steel, and is recommended for marine applications. |
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| 03991435 |
Steel Timing Pointer This steel sheet metal timing pointer is a bolt-on for 6-3/4” and 7” balancers for small-block Chevrolet engines. “Not chromed.” |
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| 03991436 |
Steel Timing Pointer This steel sheet metal timing pointer is a bolt-on for 8” balancers for small-block Chevrolet engines. “Not chromed”. |
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| 14011043 |
Cylinder Sleeve (Standard) These replacement 4.00” diameter centrifugally cast cylinder liners can be installed in aluminum Bow Tie small-block and V6/90° engines. They are available in standard and two oversize diameters. Technical Notes: These sleeves are for early design Chevrolet V8 block with casting #366299 and V6/90° P/N 14011069. They will not fit current V8 and V6 cases P/N 10134399, 10134400, 10134351, 10134371, 10185075, or 24502495. |
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| 14050646 | Timing Chain Cover Gasket Set 59-74 SBC (Discontinued) |
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| 10159418 | Timing Chain Cover Gasket Set 75-89 SBC [Old P/N 14091479] |
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| 10108435 | Timing Chain Cover Gasket For small-block Chevy. |
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| 14087508 | Windage Tray Main Cap Bolt 5-5/8” |
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| 03872718 | Windage Tray Main Cap Bolt 5-1/4” |
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| 14091675 | Windage Tray Main Cap Bolt For 1-pc rear main seal blocks. [New P/N 12561389] |
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| 12561389 | Windage Tray Main Cap Bolt For 1-pc rear main seal blocks. [Old P/N 14091675] |
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| 03932482 |
Main Bearing Cap SB Nodular iron 4 bolt cap. This nodular cap (casting number 2482) is stronger than the gray iron caps installed on most production small-blocks with 2.45” main bearings. It can be retrofitted on blocks originally produced with two-bolt mains, or used to upgrade a four-bolt block for racing. These caps are used on cylinder case 10185047. (Discontinued) Technical Notes: This is a semi-finished cap with four parallel bolt holes; the ends of the cap must be align bored after installing replacement caps. |
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| Big-Block | |||
| 10159520 | Timing Chain Cover Gasket Set 67-90 BBC |
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| 03935449 | Timing Chain Cover Gasket For big-block Chevy. [New P/N 10114142] |
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| 10114142 | Timing Chain Cover Gasket For big-block Chevy. [Old P/N 03935449] [New P/N 12369488] |
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| 12369488 | Timing Chain Cover Gasket For big-block Chevy. [Old P/N 10114142] |
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| 10198910 | Timing Chain Cover Gasket Gen 6 rubber style. |
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| 10106460 | Outer Main Bearing Bolt 1/2-13 x 2.78”, for Gen V and Gen VI big-block. |
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| 10106461 | Inner Main Bearing Bolt 1/2-13 x 3.52”, for Gen V big block. |
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| 10224104 | Windage Tray Stud Used on the “Gen V” 454 and 502 engines. |
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| 10230954 |
Timing Chain Cover - Aluminum This aluminum cover with timing indicator fits all 1996 and newer Gen VI engines. It is used on current 454 HO and 502 HO engines. |
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| 12342091 |
Timing Chain Cover - Chrome (Licensed part by GM) For use on Chevrolet big-block, 1965-90. Replacement oil seal: P/N 10191640. Use chrome timing pointer P/N 12342000 for 7” and P/N 12342011 for 8” balancer. (See Proform 141-216) Technical Notes: This timing cover, engineered to GM standards for reliable installation, is stamped with the distinctive Chevrolet logo. It is supplied with GM production oil seals installed. |
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| 00330850 | Timing Chain Cover Plain cover. |
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| 12480035 |
Cylinder Sleeve (Standard) This sleeve is the replacement for aluminum block P/N 12370850 only. This iron sleeve I.D. bore is 4.240” and finish bores to 4.250”. |
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| 12495501 |
Engine Freeze Plug and Oil Plug Kit This engine build kit includes eight brass freeze plugs 13/4” OD P/N 3826963, one cam plug P/N 3999200, eight 1/4” oil galley plugs P/N 444777, one water outlet plug P/N 14090911, one 1/8” hex head pipe plug P/N 444613, cylinder head dowel pin P/N 12558081, transmission dowel pin P/N 12338119, and water outlet plug P/N 14090911. For single service replacement use part numbers above. This is a great kit for either new engine build or engine rebuild. |
(Pic) | |
| 14015334 |
Four-Bolt Main Bearing Cap This heavy-duty iron four-bolt cap is used on bearings #1,2,3, and 4. Technical Notes: The ends of this semi-finished cap must be machined to register the cap in the block. Align bore the main bearing housings after installing replacement heavy-duty bearing caps |
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| 14103156 |
Rear Main Bearing Cap This iron cap replaces the standard four-bolt rear main bearing cap on big block V8s. 1965-1990 only. Technical Notes: The ends of this semi-finished cap must be machined to register the cap in the block and the oil groove must be machined. Align bore the main bearing housings after installing replacement heavy- duty rear main cap. Use two oil pump locating pins P/N 12554553 (not included). |
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| 03743389 | Welch Plug 1965 - 90 1-3/4” OD steel water jacket freeze plug for all Chevrolet big-block V8s. (Mark IV Only) |
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| 03826963 | Welch Plugs These plugs are identical to welch plugs P/N 3743389 but are made from “brass”. 1-3/4” OD. (Mark IV Only) |
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| 03826504 | Welch Plugs “brass”. 1-5/8” OD. (Gen V and Gen VI) [New P/N 88891749] |
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| 88891749 | Welch Plugs “brass”. 1-5/8” OD. (Gen V and Gen VI) [Old P/N 03826504] |
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| 03859927 | Outer Main Bearing Bolt 1/2-13 x 2.60”, for cast iron big-block V8s with four-bolt main bearing caps. 10 required. (Mark IV) |
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| 03902885 | Windage Tray Stud 1/2-13 x 3/8-16 x 55/8”, for mounting oil splash shield P/N 3967854. Four required. |
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| 03909834 | Inner Main Bearing Bolt 1/2-13 x 3.34”, for cast iron big-block V8s with four-bolt main bearing caps. 10 required. (Mark IV) |
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| 06264902 | O-Ring Seal This O-ring seal is used under the rear main bearing cap of all Gen V and Gen VI 454 and 502 engines. |
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| 10117767 | Rear Main Seal Mark IV 2-piece style. |
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| 10101164 | Rear Main Seal Gen 5,6 1-piece style. |
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| SCBBRSA | Rear Main Seal Adapter Seal adapter for 1-piece to 2-piece rear main seal. |
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| 03902885 | Windage Tray Main Cap Bolt For Mark IV. |
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| 10224104 | Windage Tray Main Cap Bolt For Gen 5 and Gen 6. |
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| 03992073 | Steel Timing Pointer For all damper sizes. |
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A NOTE ABOUT WELCH PLUGS | |
| Welch plugs are also called freeze plugs, soft plugs, and core plugs. Their job is to plug holes in the block that were needed only during the manufacturing of the block. Welch plugs are available in three different materials brass, steel, and aluminum. Which material type works best depends on your application. For example - Bow Tie aluminum blocks require aluminum plugs while either steel or brass plugs can be installed in cast iron blocks. Brass is more corrosion resistant than steel and should be use for any marine applications. Though the name freeze plugs may have come from the Welch plugs sometimes popping out of the block as the water freezes during cold weather when the coolant was not protected properly with anti-freeze, thus in some rare cases protecting the block from the internal ice breaking the block, this is not their purpose and you should not rely on them for this. |
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