diff --git a/Cargo.lock b/Cargo.lock
index 74d5068eee..b9051766f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9172,6 +9172,7 @@ dependencies = [
  "eyre",
  "futures",
  "op-alloy-consensus",
+ "op-alloy-network",
  "op-alloy-rpc-types-engine",
  "op-revm",
  "reth-chainspec",
diff --git a/crates/optimism/node/Cargo.toml b/crates/optimism/node/Cargo.toml
index d7f82bedb2..718fc5358e 100644
--- a/crates/optimism/node/Cargo.toml
+++ b/crates/optimism/node/Cargo.toml
@@ -50,6 +50,7 @@ op-revm.workspace = true
 # ethereum
 alloy-primitives.workspace = true
 op-alloy-consensus.workspace = true
+op-alloy-network.workspace = true
 op-alloy-rpc-types-engine.workspace = true
 alloy-rpc-types-engine.workspace = true
 alloy-rpc-types-eth.workspace = true
diff --git a/crates/optimism/node/src/node.rs b/crates/optimism/node/src/node.rs
index b95a463220..60316e3061 100644
--- a/crates/optimism/node/src/node.rs
+++ b/crates/optimism/node/src/node.rs
@@ -49,7 +49,7 @@ use reth_optimism_txpool::{
 };
 use reth_provider::{providers::ProviderFactoryBuilder, CanonStateSubscriptions, EthStorage};
 use reth_rpc_api::DebugApiServer;
-use reth_rpc_eth_api::ext::L2EthApiExtServer;
+use reth_rpc_eth_api::{ext::L2EthApiExtServer, FullEthApiServer};
 use reth_rpc_eth_types::error::FromEvmError;
 use reth_rpc_server_types::RethRpcModule;
 use reth_tracing::tracing::{debug, info};
@@ -254,28 +254,28 @@ pub struct OpAddOns<
     enable_tx_conditional: bool,
 }
 
-impl<N> Default for OpAddOns<N, OpEthApiBuilder>
+impl<N, NetworkT> Default for OpAddOns<N, OpEthApiBuilder<NetworkT>>
 where
-    N: FullNodeComponents<Types: NodeTypes<Primitives = OpPrimitives>>,
-    OpEthApiBuilder: EthApiBuilder<N>,
+    N: FullNodeComponents<Types: NodeTypes>,
+    OpEthApiBuilder<NetworkT>: EthApiBuilder<N>,
 {
     fn default() -> Self {
         Self::builder().build()
     }
 }
 
-impl<N> OpAddOns<N, OpEthApiBuilder>
+impl<N, NetworkT> OpAddOns<N, OpEthApiBuilder<NetworkT>>
 where
-    N: FullNodeComponents<Types: NodeTypes<Primitives = OpPrimitives>>,
-    OpEthApiBuilder: EthApiBuilder<N>,
+    N: FullNodeComponents<Types: NodeTypes>,
+    OpEthApiBuilder<NetworkT>: EthApiBuilder<N>,
 {
     /// Build a [`OpAddOns`] using [`OpAddOnsBuilder`].
-    pub fn builder() -> OpAddOnsBuilder {
+    pub fn builder() -> OpAddOnsBuilder<NetworkT> {
         OpAddOnsBuilder::default()
     }
 }
 
-impl<N> NodeAddOns<N> for OpAddOns<N, OpEthApiBuilder>
+impl<N, NetworkT> NodeAddOns<N> for OpAddOns<N, OpEthApiBuilder<NetworkT>>
 where
     N: FullNodeComponents<
         Types: NodeTypes<
@@ -289,8 +289,10 @@ where
     OpEthApiError: FromEvmError<N::Evm>,
     <N::Pool as TransactionPool>::Transaction: OpPooledTx,
     EvmFactoryFor<N::Evm>: EvmFactory<Tx = op_revm::OpTransaction<TxEnv>>,
+    OpEthApi<N, NetworkT>: FullEthApiServer<Provider = N::Provider, Pool = N::Pool>,
+    NetworkT: op_alloy_network::Network + Unpin,
 {
-    type Handle = RpcHandle<N, OpEthApi<N>>;
+    type Handle = RpcHandle<N, OpEthApi<N, NetworkT>>;
 
     async fn launch_add_ons(
         self,
@@ -360,7 +362,7 @@ where
     }
 }
 
-impl<N> RethRpcAddOns<N> for OpAddOns<N, OpEthApiBuilder>
+impl<N, NetworkT> RethRpcAddOns<N> for OpAddOns<N, OpEthApiBuilder<NetworkT>>
 where
     N: FullNodeComponents<
         Types: NodeTypes<
@@ -374,15 +376,17 @@ where
     OpEthApiError: FromEvmError<N::Evm>,
     <<N as FullNodeComponents>::Pool as TransactionPool>::Transaction: OpPooledTx,
     EvmFactoryFor<N::Evm>: EvmFactory<Tx = op_revm::OpTransaction<TxEnv>>,
+    OpEthApi<N, NetworkT>: FullEthApiServer<Provider = N::Provider, Pool = N::Pool>,
+    NetworkT: op_alloy_network::Network + Unpin,
 {
-    type EthApi = OpEthApi<N>;
+    type EthApi = OpEthApi<N, NetworkT>;
 
     fn hooks_mut(&mut self) -> &mut reth_node_builder::rpc::RpcHooks<N, Self::EthApi> {
         self.rpc_add_ons.hooks_mut()
     }
 }
 
-impl<N> EngineValidatorAddOn<N> for OpAddOns<N, OpEthApiBuilder>
+impl<N, NetworkT> EngineValidatorAddOn<N> for OpAddOns<N, OpEthApiBuilder<NetworkT>>
 where
     N: FullNodeComponents<
         Types: NodeTypes<
@@ -391,7 +395,7 @@ where
             Payload = OpEngineTypes,
         >,
     >,
-    OpEthApiBuilder: EthApiBuilder<N>,
+    OpEthApiBuilder<NetworkT>: EthApiBuilder<N>,
 {
     type Validator = OpEngineValidator<N::Provider>;
 
@@ -401,9 +405,9 @@ where
 }
 
 /// A regular optimism evm and executor builder.
-#[derive(Debug, Default, Clone)]
+#[derive(Debug, Clone)]
 #[non_exhaustive]
-pub struct OpAddOnsBuilder {
+pub struct OpAddOnsBuilder<NetworkT> {
     /// Sequencer client, configured to forward submitted transactions to sequencer of given OP
     /// network.
     sequencer_url: Option<String>,
@@ -411,9 +415,22 @@ pub struct OpAddOnsBuilder {
     da_config: Option<OpDAConfig>,
     /// Enable transaction conditionals.
     enable_tx_conditional: bool,
+    /// Marker for network types.
+    _nt: PhantomData<NetworkT>,
 }
 
-impl OpAddOnsBuilder {
+impl<NetworkT> Default for OpAddOnsBuilder<NetworkT> {
+    fn default() -> Self {
+        Self {
+            sequencer_url: None,
+            da_config: None,
+            enable_tx_conditional: false,
+            _nt: PhantomData,
+        }
+    }
+}
+
+impl<NetworkT> OpAddOnsBuilder<NetworkT> {
     /// With a [`SequencerClient`].
     pub fn with_sequencer(mut self, sequencer_client: Option<String>) -> Self {
         self.sequencer_url = sequencer_client;
@@ -433,14 +450,14 @@ impl OpAddOnsBuilder {
     }
 }
 
-impl OpAddOnsBuilder {
+impl<NetworkT> OpAddOnsBuilder<NetworkT> {
     /// Builds an instance of [`OpAddOns`].
-    pub fn build<N>(self) -> OpAddOns<N, OpEthApiBuilder>
+    pub fn build<N>(self) -> OpAddOns<N, OpEthApiBuilder<NetworkT>>
     where
-        N: FullNodeComponents<Types: NodeTypes<Primitives = OpPrimitives>>,
-        OpEthApiBuilder: EthApiBuilder<N>,
+        N: FullNodeComponents<Types: NodeTypes>,
+        OpEthApiBuilder<NetworkT>: EthApiBuilder<N>,
     {
-        let Self { sequencer_url, da_config, enable_tx_conditional } = self;
+        let Self { sequencer_url, da_config, enable_tx_conditional, .. } = self;
 
         OpAddOns {
             rpc_add_ons: RpcAddOns::new(
diff --git a/crates/optimism/rpc/src/eth/mod.rs b/crates/optimism/rpc/src/eth/mod.rs
index f2f636cb42..fb462c99ee 100644
--- a/crates/optimism/rpc/src/eth/mod.rs
+++ b/crates/optimism/rpc/src/eth/mod.rs
@@ -99,7 +99,7 @@ where
     }
 
     /// Build a [`OpEthApi`] using [`OpEthApiBuilder`].
-    pub const fn builder() -> OpEthApiBuilder {
+    pub const fn builder() -> OpEthApiBuilder<NetworkT> {
         OpEthApiBuilder::new()
     }
 }
@@ -119,9 +119,10 @@ where
     }
 }
 
-impl<N> RpcNodeCore for OpEthApi<N>
+impl<N, NetworkT> RpcNodeCore for OpEthApi<N, NetworkT>
 where
     N: OpNodeCore,
+    NetworkT: op_alloy_network::Network,
 {
     type Primitives = N::Primitives;
     type Provider = N::Provider;
@@ -156,9 +157,10 @@ where
     }
 }
 
-impl<N> RpcNodeCoreExt for OpEthApi<N>
+impl<N, NetworkT> RpcNodeCoreExt for OpEthApi<N, NetworkT>
 where
     N: OpNodeCore,
+    NetworkT: op_alloy_network::Network,
 {
     #[inline]
     fn cache(&self) -> &EthStateCache<ProviderBlock<N::Provider>, ProviderReceipt<N::Provider>> {
@@ -166,7 +168,7 @@ where
     }
 }
 
-impl<N> EthApiSpec for OpEthApi<N>
+impl<N, NetworkT> EthApiSpec for OpEthApi<N, NetworkT>
 where
     N: OpNodeCore<
         Provider: ChainSpecProvider<ChainSpec: EthereumHardforks>
@@ -174,6 +176,7 @@ where
                       + StageCheckpointReader,
         Network: NetworkInfo,
     >,
+    NetworkT: op_alloy_network::Network,
 {
     type Transaction = ProviderTx<Self::Provider>;
 
@@ -188,10 +191,11 @@ where
     }
 }
 
-impl<N> SpawnBlocking for OpEthApi<N>
+impl<N, NetworkT> SpawnBlocking for OpEthApi<N, NetworkT>
 where
     Self: Send + Sync + Clone + 'static,
     N: OpNodeCore,
+    NetworkT: op_alloy_network::Network,
 {
     #[inline]
     fn io_task_spawner(&self) -> impl TaskSpawner {
@@ -209,7 +213,7 @@ where
     }
 }
 
-impl<N> LoadFee for OpEthApi<N>
+impl<N, NetworkT> LoadFee for OpEthApi<N, NetworkT>
 where
     Self: LoadBlock<Provider = N::Provider>,
     N: OpNodeCore<
@@ -229,15 +233,17 @@ where
     }
 }
 
-impl<N> LoadState for OpEthApi<N> where
+impl<N, NetworkT> LoadState for OpEthApi<N, NetworkT>
+where
     N: OpNodeCore<
         Provider: StateProviderFactory + ChainSpecProvider<ChainSpec: EthereumHardforks>,
         Pool: TransactionPool,
-    >
+    >,
+    NetworkT: op_alloy_network::Network,
 {
 }
 
-impl<N> EthState for OpEthApi<N>
+impl<N, NetworkT> EthState for OpEthApi<N, NetworkT>
 where
     Self: LoadState + SpawnBlocking,
     N: OpNodeCore,
@@ -248,14 +254,14 @@ where
     }
 }
 
-impl<N> EthFees for OpEthApi<N>
+impl<N, NetworkT> EthFees for OpEthApi<N, NetworkT>
 where
     Self: LoadFee,
     N: OpNodeCore,
 {
 }
 
-impl<N> Trace for OpEthApi<N>
+impl<N, NetworkT> Trace for OpEthApi<N, NetworkT>
 where
     Self: RpcNodeCore<Provider: BlockReader>
         + LoadState<
@@ -271,7 +277,7 @@ where
 {
 }
 
-impl<N> AddDevSigners for OpEthApi<N>
+impl<N, NetworkT> AddDevSigners for OpEthApi<N, NetworkT>
 where
     N: OpNodeCore,
 {
@@ -280,7 +286,7 @@ where
     }
 }
 
-impl<N: OpNodeCore> fmt::Debug for OpEthApi<N> {
+impl<N: OpNodeCore, NetworkT> fmt::Debug for OpEthApi<N, NetworkT> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("OpEthApi").finish_non_exhaustive()
     }
@@ -308,17 +314,25 @@ impl<N: OpNodeCore> OpEthApiInner<N> {
 }
 
 /// Builds [`OpEthApi`] for Optimism.
-#[derive(Debug, Default)]
-pub struct OpEthApiBuilder {
+#[derive(Debug)]
+pub struct OpEthApiBuilder<NetworkT = Optimism> {
     /// Sequencer client, configured to forward submitted transactions to sequencer of given OP
     /// network.
     sequencer_url: Option<String>,
+    /// Marker for network types.
+    _nt: PhantomData<NetworkT>,
 }
 
-impl OpEthApiBuilder {
+impl<NetworkT> Default for OpEthApiBuilder<NetworkT> {
+    fn default() -> Self {
+        Self { sequencer_url: None, _nt: PhantomData }
+    }
+}
+
+impl<NetworkT> OpEthApiBuilder<NetworkT> {
     /// Creates a [`OpEthApiBuilder`] instance from core components.
     pub const fn new() -> Self {
-        Self { sequencer_url: None }
+        Self { sequencer_url: None, _nt: PhantomData }
     }
 
     /// With a [`SequencerClient`].
@@ -328,15 +342,16 @@ impl OpEthApiBuilder {
     }
 }
 
-impl<N> EthApiBuilder<N> for OpEthApiBuilder
+impl<N, NetworkT> EthApiBuilder<N> for OpEthApiBuilder<NetworkT>
 where
     N: FullNodeComponents,
-    OpEthApi<N>: FullEthApiServer<Provider = N::Provider, Pool = N::Pool>,
+    OpEthApi<N, NetworkT>: FullEthApiServer<Provider = N::Provider, Pool = N::Pool>,
+    NetworkT: op_alloy_network::Network + Unpin,
 {
-    type EthApi = OpEthApi<N>;
+    type EthApi = OpEthApi<N, NetworkT>;
 
     async fn build_eth_api(self, ctx: EthApiCtx<'_, N>) -> eyre::Result<Self::EthApi> {
-        let Self { sequencer_url } = self;
+        let Self { sequencer_url, .. } = self;
         let eth_api = reth_rpc::EthApiBuilder::new(
             ctx.components.provider().clone(),
             ctx.components.pool().clone(),